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Jakub Dolezal
(@jakub-dolezal-2)
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Slic3r Prusa Edition 1.42.0-alpha1

UPDATE: New release (alpha2) is out! Please follow this link https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/slic3r-prusa-edition-1-42-0-alpha2-t26945.html

Hi guys,
brand new Slic3r Prusa Edition 1.42.0 is out! This is an early alpha build intended to test new features and for experienced users! 😉

What is new?

This is a milestone release with major internal (code) and external (graphics) changes. To learn about the most important new features, you can watch the YouTube video. If you want to learn about all new features, use the "Show" button below.

List of changes:
-> New Simple / Advanced / Expert mode
-> Masked SLA (SL1) support
-> Project aka Factory File, menu restructured
-> User interface improvements
-> Background processing
-> Multi-material improvements
-> Several other improvements
-> Bug fixes
-> Dropped features
-> Future of Slic3r PE

Brace yourself before your click on the button below 😀

Summary
This is an alpha release. This release took us little a little longer than usual, as we decided to do some radical redesign of the user interface, for which we needed to rewrite the last bits and pieces of the Perl source code to C++. In this release, we hope we managed to marry the simplicity of the Prusa Control's user interface with the power and configurability of Slic3r that we all love.

The 3D object manipulation was improved simagnificantly, the Project aka Factory File was made explicit at the File menu, a Simple / Advanced / Expert mode was added to lower the learning curve for the beginner, the Slic3r's power features were exposed at the plater screen, a "Color Print" feature was ported from Prusa Control, and the Slic3r's main screen has got a modern facelift. The final G-code and print time estimate is now produced by the "Slice" action, there is no need to export the G-code to get the time estimate, and the background processing is finally stable.

This release brings a preview of a masked SLA mode supporting our upcoming SL1 printer. While the SLA mode is usable, there are some rough edges here and there, and the support workflow may change a bit in the final release, so please bear with us.

To let you enjoy the alpha without worries, the alpha builds now save their profiles into Slic3rPE-alpha directory, so you may use the alpha side by side with the current release without ruining your production configuration.

TL;DR Before opening new issue tickets, please read the "Missing features" and "OpenGL compatibility" sections. This Slic3r starts in a Simple mode, read the "Simple / Advanced / Expert mode" section and switch to Expert if you want the full-fledged user interface.

Masked SLA Support
We added a masked SLA (MSLA) mode into Slic3r PE to support our upcoming SL1 printer product. As far as we are known, Slic3r PE is the first high-quality open source MSLA slicer available. While an SLA slicer may seem similar to an FFF slicer on the surface, in reality, the two technologies share just one thing: They work slice by slice. To some extent, a masked SLA slicer is simpler than a fused filament slicer as it is much easier to just raster a layer image than to plan the path of an FFF print head. There is one caveat though: The SLA technology depends on a well shaped and stable tree or truss supports. A failed support will likely ruin the whole print, as a piece of the object stuck to the resin vat masks the light for the remaining layers to be exposed.

The following features were implemented into Slic3r PE to support the SLA mode:

->SLA print, material and printer profiles were added. The SLA print and material profiles are stored separately from the FFF print and filament profiles, while the SLA and FFF printer profiles are stored in the same location, and they are differentiated by a new "printer_technology" field.
-> Pad and truss supports are generated by Slic3r in the SLA mode to support the printed object. If not specified by the user, the pad and supports are calculated automatically. Once calculated, the user has the option to modify the placement of the support touch points, add or remove the support touch points manually.
->Layers are rasterized into .png images using the Anti-Grain Geometry library and zipped.
->After the slicing is finished, the print may be inspected layer by layer in the layer view to assert, that every island is properly supported.
->A zip archive containing the rasterized layers may be sent to the SL1 printer over the network using the OctoPrint file upload protocol.

While this release is certainly able to produce quality prints on our SL1 pre-production printers, the support placement workflow in Slic3r is not optimal and it will likely change a bit in the final release.

For now, the modifier meshes, support blockers/enforcers and variable layer height are not supported in the SLA mode and the object parameters are limited to the support and pad configuration. You may switch a print between the SLA and FDM technology as long as there are no modifier meshes, support blockers or enforcers defined in the project.

Project aka Factory File, menu restructured
While Slic3r PE supports a concept of a project aka Factory File since 1.40.0 release, it was buried behind the "Export plater as 3MF/AMF" menu. In this release we restructured the menus to better carry the intent:

-> We declared the 3MF file to be the project file for Slic3r PE. The 3MF file format is modern, it is supported by Microsoft 3D Builder and Cura, while the AMF file format was only ever supported by Slic3r. Therefore the AMF files could still be imported, but we will no more support AMF for export as a Slic3r PE project file.
-> "File Save" does exactly the same as the old "Export plater as 3MF/AMF" menu used to: Every active configuration, object, modifier and its parameters are saved into a 3MF file.
-> "File Open" loads a project file including all the configuration, objects, modifiers and its parameters so that re-slicing the project should produce the same G-code or SLA rasterized images as before.
-> "Import STL" imports a geometry into an active project.
->"Import 3MF/AMF" imports geometries into an active project, but the configuration stored in the 3MF / AMF files is ignored.

We are aware of some rough edges, namely we need to implement a concept of an active project and its state (saved, modified), so that the "File Open" would clear the plater first before opening another project, and the user would be asked to save a new or modified project when opening another project or closing the application.

User interface improvements
The application main screen received a facelift, where the toolbars with new elegant icons are now laid over the 3D screen. Slic3r 1.41 introduced basic object manipulation gizmos, and this release expands on them. Rotation is now supported in all three axes, anisotropic scaling, group selection and group operations are supported, and the transformation gizmos are now applicable to the modifiers, support blockers and enforcers as well. A Simple / Advanced / Expert mode was added to lower the learning curve for the beginner, and the Slic3r's power features are exposed at the plater screen.

Simple / Advanced / Expert mode
To make life easier to the beginners, we introduced a Simple mode, where the user interface resembles the UI of Prusa Control: Complex features like the modifier meshes are hidden, and only a basic subset of parameters is shown to the user. In the "Advanced" mode more parameters are shown, and in the "Expert" mode all the power features of Slic3r we love are accessible. To make the learning of parameters easier, we colour coded them: Greens are safe to be tinkered with by a beginner, an advanced user may want to modify the yellow coded parameters, and the power user may have an itch to modify the red coded parameters.

Every feature is exposed
Slic3r was always known to be powerful and versatile, though some of its features were difficult to use, if not outright hidden behind obscure menus and dialogues. In this release, we strive to expose all the power features at the main screen.

-> Modifiers, support blockers and enforcers and object parameters may be added from object's context menu at both the 3D view and the object list. Please note that due to the limitations of the wxWidgets user interface library you have to click with the right mouse button at the icon in the last column of the object list to open the pop-up menu.
-> Object list now shows a hierarchy of objects, their instances, the object's parameters, object's volumes and modifier meshes. Every parameter is exposed either inside the object list or through a contextual panel opening below the object list. One now gets a clear idea of the project structure just by looking at the object tree #378.
-> An exclamation mark is shown at the object list next to a model containing errors (gaps, cracks, intersecting triangles). Clicking on the exclamation mark icon sends the object to Netfabb service for repair (works on Windows 10 only).
-> The "Cut by plane" tool is now integrated into the 3D view as well, the pop up dialogue is gone.

Object manipulation
-> The object manipulation gizmos now support translation, rotation, scaling and mirroring along all three axes, anisotropic scaling is supported as well. All gizmos are accessible with a hotkey (m for the move, r for rotate, s for scale), and the active gizmo is deselected with Escape #829, #1082, #1171.
-> Rotation gizmos snap to the inner ticks spaced at 45 degrees and to the outer ticks spaced at 5 degrees. Toolbar buttons to rotate left / right by 90 degrees toolbar buttons were dropped, as they are now superseded by the rotation gizmos.
-> When holding the Shift key, the translation changes with 1mm steps, and scaling changes with 5% steps.
-> Multiple objects may now be selected when holding a Shift key, and they can be manipulated as a group. All objects can now be selected with a hotkey (Ctrl-A) #1147, #1394.
-> Not only objects but also their volumes (printable volumes, modifier volumes, support blockers and enforcers) can now be manipulated by the gizmos #346, #429, #572, #1371, #1407.
-> Modifier volumes and support blockers/enforcers may now be selected with a mouse click. Selecting a modifier volume switches Slic3r into a volume manipulation mode, where the other objects are painted with a grey colour to indicate that they are not accessible in the volume manipulation mode. The volume manipulation mode is left by deselecting the last volume (for example by clicking on the print bed) or by selecting another object (which is painted with grey colour in the volume manipulation mode).
-> Objects, their instances, volumes, modifier meshes, support blockers and enforcers may now be selected from the object list as well. Group selection is supported in the object list.
-> Translation, rotation and scaling of selected object or volume may now be inspected and manipulated from a numeric panel as in Prusa Control. When a particular text input field is entered, an arrow is displayed in the 3D scene to hint the user about the effect of the active text field. Transformation of a single object, instance or volume works with absolute values in its respective local coordinate system, while a transformation over a group selection is specified with relative values in the world coordinate system.
-> The translation, rotation, scaling and mirroring is now stored into the 3MF file. This differs from the older Slic3r, where only translation in XY plane, rotation around the Z-axis, and uniform scaling was handled as a parameter, while the other object transformations were applied to the triangle mesh #777.
->The object instances may now differ by the position in the XY plane and newly also by the rotation along the Z axis. These constraints were chosen to make the support blockers & enforcers or the SLA support points shared by all instances of an object meaningful #405.

Camera manipulation
->Hotkeys were added to control camera zoom: "i" for zoom in, "o" for zoom out", "b" to zoom to the plater, and "z" to zoom to a selected object #376.
->The focal point of the orthographic camera is now kept inside the bounding box of the scene, which solves some of the annoying camera manipulation issues #1098, #1179.

Background processing
Slic3r supported incremental real-time slicing aka background processing since 1.2.9 release, though this feature never worked quite well due to its complexity and issues with cancellation of the background process. Now while rewriting the rest of the slicing engine from Perl to C++, we took the opportunity to finally fix the update and cancellation issues to make the incremental slicing work as intended.

-> The C++ only slicing engine now supports rapid cancellation on parameter change, therefore the continuous re-slicing aka the "background processing on" mode is finally usable in Slic3r PE.
-> The slicing engine cancellation was redesigned to work reliably. The redesign should fix many issues reported with background processing enabled #392, #482, #618, #726, #808, #1049, #1115, #1192.
-> Synchronization of the front end with the slicing engine was re-designed to be finely granular, so only those slicing steps that were invalidated by the user action will be re-sliced. This was not the case before, as any change of an object parameter or a modifier mesh invalidated the whole object.
-> The G-code export now runs on the slicing thread as well, therefore one will get the final G-code preview and the print statistics including the estimated print time automatically after the slicing finishes. Therefore you do not need to export the G-code to get a print time estimate anymore #130, #800, #953, #1132, #1359, #1432.

Multi-material improvements
-> Extruders can now be assigned directly from the object list, the object pop up dialogue is gone. As of now, you have to select the line in the object list first, then to click onto the extruder number to activate a combo box. We are looking into the options of how to convince wxWidgets to open the combo box at a single click.
-> Selection combo box now correctly respects the number of extruders configured for the active printer #817.
-> One may now print a multi-material project with a single extruder printer, the extruder assignment will simply be ignored. If printing a 5-colour print on an MMU1 with 4 colours, the fifth extruder will be silently substituted with the 1st, while the previous Slic3r releases would complain and refuse to print.
-> Slic3r will now respect the print speed override dialed by the user on the printer control panel by emitting "M220 B" for the printer to back up the speed override value when moving to the wipe tower, and to recover the user dialed value by emitting "M220 R" when moving away from the wipe tower. This feature is not enabled if printing with a flex, PVA or a BVOH filament, for which the Slic3r emits "M220" to lower extrusion speed #421.
-> There is a new parameter "High extruder current on filament swap", which is enabled for the MMU1 to overcome the drag in the filament path, but which will be disabled for the MMU2 to not overheat the extruder motor during the filament exchange sequence.
-> The "single extruder multi-material" feature is now enabled for the Repetier firmware as it seems to be compatible with it #1310.

Other improvements
-> Slic3r now starts slicing immediately after you switch to a print path preview #152.
-> Prusa Control's "Color Print" feature has been integrated into Slic3r PE. You may now insert the M600 "pause for filament change" code at layers which you marked with the layer selection slider at the print path preview screen, and the effect of the M600 code is then visualized by the final G-code preview, therefore you will see precisely what you will get #270, #628, #1141.
-> A new "Keyboard shortcuts" screen is invoked with a "?" hotkey at the 3D screen and the path preview, and from the Help menu.
-> Text fields now send out updates not at each key press, but first when the text field loses focus. This fixes many user interface lag issues #1250, #1397.
-> One may now insert placeholders for the print statistics into the output file name template. This is most useful for the print time estimate, however this Slic3r release supports the following new placeholders: "print_time", "normal_print_time", "silent_print_time", "used_filament", "extruded_volume", "total_cost", "total_weight", "total_wipe_tower_cost", "total_wipe_tower_filament" #714, #922.
-> Custom G-code file extension in output_filename_format is now supported #1221.
-> Sending a print to Octoprint no more blocks the user interface. The print is being sent to OctoPrint or to an SL1 printer on the background, and the progress of the data transfer may be monitored on a new "Print Host Upload Queue" window.
-> Filament and SLA material profiles now support a "compatible print profile condition". This allows one to suppress some of the Filament and SLA material profiles based on the configuration keys of the active print profile.
-> The system (read-only) profiles are no more exported into a config bundle #1292.
-> Initial Korean translation contributed by @ulsanether.
-> Porting the UI from Perl to C++ allowed us to switch to the latest wxWidgets 3.1 user interface library.

This release contains the following bug fixes:
-> Fixed "Slic3r keeps warning about Detect Bridging perimeters if disabled" #838.
-> Preset files marked with hidden or system attributes are not loaded, so that the Dropbox config files are ignored #1298.
-> Fixed missing top/bottom layers after an object is moved back into the working space #1390.
-> The width of the right panel was set to a fixed value #1395.
-> The print time estimate was fixed for Smoothie G-code flavour (M203 was interpreted incorrectly), thanks @CapnBry #1259.
-> A sanity check was added to guess, whether the user did not enter a percentage as a value by mistake (he forgot to enter the % sign) #1225.

Features dropped from this release:
Slic3r was initially written in a scripting language Perl. The Perl language is powerful, descriptive and it certainly sped up the initial Slic3r development, however the Perl support is dropping as it is being replaced by Python or Ruby, it is increasingly difficult to find contributors as fewer people are willing to learn Perl, debugging the Perl / C++ combination is difficult, and there is no Perl binding for the current wxWidgets UI library that Slic3r is based on. We had to pay the technological debt and ditch Perl to get forward, which meant to rewrite quite a lot of user interface code from Perl to C++ in one shot. To make the transition faster, we dropped some of the Slic3r's features:

-> Online printing over serial line aka the "Controller" was dropped for now. We are not sure yet whether we will integrate it into Slic3r again, or whether we will create a separate application for printer and printer queue control, or whether we will drop the serial line printing for good, as there are other applications that serve the same purpose. Please let us know what you think.
-> 2D toolpath preview was dropped, for now, however, we will likely re-implement it as time allows. For now, you can use the hotkey "1" to orient the camera to look at the print bed from the top.
-> Layer height table was dropped for now, though we plan to replace it with a more general feature to assign not only a layer height but also other print parameters to layer spans. Assigning parameters to layer spans is implemented in Simplify3D through processes. While Slic3r supports the same feature through modifier meshes (slabs), having the option to define the parameters per layer spans table would be nice #495.
-> Smooth variable layer height editing is broken in this alpha, it will be fixed in beta.

OpenGL compatibility
Starting with this release, Slic3r PE requires OpenGL 2.0 and newer to run. This allows us to simplify the development by not having to implement some code twice (for OpenGL 1.1 vs OpenGL 2.0), and to use modern software libraries. Also, OpenGL 2.0 shaders shall improve rendering performance on modern hardware in respect to the legacy OpenGL.

OpenGL 2.0 is certainly supported on Macs and modern Windows machines, but you may experience issues with old Windows machines or Linuxes. On Linux, you will experience lower frame rates if you are running a MESA software rasterizer. On Windows, we now bundle the MESA software rasterizer with Slic3r PE, so Slic3r should run, though with a lower frame rate due to the use of OpenGL 2.0 shaders. If the 3D scene does not render correctly on Windows, most likely the system legacy OpenGL driver was not substituted with the MESA software renderer. In that case please close Slic3r and copy mesa\opengl32.dll to the main Slic3r directory and restart Slic3r, which should convince Slic3r to load just the MESA software renderer.

Please note, that you will likely experience a rendering performance drop if your driver does not support OpenGL 2.0. In that case, we advise you to invest your time in updating your OpenGL drivers (provided by your graphics card vendor) if possible.

Looking forward
-> Undo / Redo is never easy to do right, and Undo / Redo for a complex application takes quite a significant time and effort to implement, however, it is at the top of our list.
-> After the SLA supports are pimped up, we plan to implement following for the SLA prints to save material.
-> We plan to use the panels inside the 3D scene like the new "cut by plane" panel more extensively.
-> We hope to go back to the basics and look into optimizing the FFF slicer kernel for print time and quality.

---

Supported printers:
- Original Prusa i3 MK3
- Original Prusa i3 MK3 Multi Material 2.0 (MMU2)
- Original Prusa i3 MK2.5
- Original Prusa i3 MK2.5 Multi Material 2.0 (MMU2)
- Original Prusa i3 MK2/S
- Original Prusa i3 MK2/S Multi Material 1.0

Download link:
https://github.com/prusa3d/Slic3r/releases/tag/version_1.42.0-alpha1

Please report any bug here:
https://github.com/prusa3d/Slic3r/issues

We look forward to your feedback!

Assembly manuals

/ Knowledge Base
The guy behind Prusa assembly manuals...

Posted : 25/12/2018 12:37 pm
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

So far this update is awesome. Nice work!

Can you make the hotkey window float? It forces me to close it.

Posted : 25/12/2018 3:34 pm
randolph.l
(@randolph-l)
Honorable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

WOW!
when using the rotation tool it would be nice if I could hold down a modifier key to have it 'notch' stop (sort of like a click wheel dial in a machine) at a user settable amount like every 10°. I tried a few standard Mac OS modifiers like shift and option and shift option with no luck but of course you may have it in there already just not yet discovered by me. And or when the tool and the desired axis is clicked on have a data windoid as seen in yellow in your OP that shows the degrees of change be already selected so you can type 89.5° or what ever you desire on your keyboard/keypad. This may be in there now but of course documentation runs behind development and I have yet to find a comprehensive manual for Slic3r-pr even as it exists now... you have to scurry about searching out information. Perhaps someone should publish an ebook (Slic3r-PR the missing manual)?

the new interface is shaping up nicely no problems with the simple stuff I have sliced so far.

I am a bit confused by the Brim control.
I set it to zero to get the attached brim which is fine but I see no way to adjust the width of the brim to say 10 mm I have yet to print an example but from the screen it looks like it is defaulting to about 5mm with no way to adjust this. so off to print something to see what I get which may clear up my question

Posted : 25/12/2018 7:44 pm
Yoyo
 Yoyo
(@yoyo-2)
New Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Wow that's a huge update. I was going to ask if you guys had actually rewritten it from scratch or something, then I say you pretty much had. I'll load it up later and feedback whatever I can.

I was coming on the forum today to suggest a few improvements but honestly I think you've done most of them in this update already so I'll have to go through it and check out all the new stuff first!

Posted : 26/12/2018 2:38 pm
Protoncek
(@protoncek)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Is it normal that support enforcer7blocker can be moved way down below build plate, or that it can stay hanging up in the air? (just asking...)

And ... you changed shortcut "slice now".... now CTRL+S is changed to "Save as ...) bad. Very bad. I ALWAYS use ctrl+S to slice, and i'm pretty sure that i'm not the only one. Ok, it was a mistake to put this function to strl+s in the first place. But changing it now... bad...

And... that annoying message at app closing :"you have unsaved changes ..." is still present. Is it really impossible to get rid of it? Almost every time a man changes some setting, and it's only for this model, so saving (or asking to) is really not needed.

Otherwise: great job!

Posted : 26/12/2018 6:48 pm
randolph.l
(@randolph-l)
Honorable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Top Tip watch the video the boss posted... Slic3r PE 1.42 Alpha preview

he answered all my questions;
the software works in 3 modes
simple advanced expert
just select expert to access any missing controls

If you move the mouse over the white index circle when you are dragging the model about you access the snap to the hash marks ability

Posted : 26/12/2018 7:31 pm
Wydra91
(@wydra91)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha1


Is it normal that support enforcer7blocker can be moved way down below build plate, or that it can stay hanging up in the air? (just asking...)

And ... you changed shortcut "slice now".... now CTRL+S is changed to "Save as ...) bad. Very bad. I ALWAYS use ctrl+S to slice, and i'm pretty sure that i'm not the only one. Ok, it was a mistake to put this function to strl+s in the first place. But changing it now... bad...

And... that annoying message at app closing :"you have unsaved changes ..." is still present. Is it really impossible to get rid of it? Almost every time a man changes some setting, and it's only for this model, so saving (or asking to) is really not needed.

Otherwise: great job!

I dunno. Ctrl-S is the nearly universal standard button for save. IMO it's the correct choice here, and it's more just a growing pain.

Posted : 26/12/2018 8:46 pm
Vojtěch Bubník
(@vojtech-bubnik)
Admin
Re: Slic3r Prusa Edition 1.42.0-alpha1

> Is it normal that support enforcer7blocker can be moved way down below build plate, or that it can stay hanging up in the air? (just asking...)

The support enforcers or blockers really influence just the overhangs. It does not matter whether the blockers / enforcers are floating or whether they are sunk into the print bed. IMHO it may be beneficial to allow you to sink a sphere into the print bed, if you want to mask an overhang with the upper half sphere.

Posted : 26/12/2018 10:13 pm
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1


WOW!
when using the rotation tool it would be nice if I could hold down a modifier key to have it 'notch' stop (sort of like a click wheel dial in a machine) at a user settable amount like every 10°. I tried a few standard Mac OS modifiers like shift and option and shift option with no luck but of course you may have it in there already just not yet discovered by me. And or when the tool and the desired axis is clicked on have a data windoid as seen in yellow in your OP that shows the degrees of change be already selected so you can type 89.5° or what ever you desire on your keyboard/keypad. This may be in there now but of course documentation runs behind development and I have yet to find a comprehensive manual for Slic3r-pr even as it exists now... you have to scurry about searching out information. Perhaps someone should publish an ebook (Slic3r-PR the missing manual)?

You use the zones indicated in the wire frame to select steps. innermost is every 45 deg, middle is 5 deg, outer most is unrestricted.

Posted : 27/12/2018 6:10 am
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1


Hi guys,
brand new Slic3r Prusa Edition 1.42.0 is out! This is an early alpha build intended to test new features and for experienced users! 😉

Ack! you dropped 'Split'. Please add that back. Am I just missing where you put it?

Posted : 27/12/2018 6:11 am
Vojtěch Bubník
(@vojtech-bubnik)
Admin
Re: Slic3r Prusa Edition 1.42.0-alpha1

The split is on the top toolbar, it is the two weird buttons with the letters P and O (split to objects, split to parts).

Posted : 27/12/2018 8:27 am
ed
 ed
(@ed-3)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Just as I was considering purchasing S3D or learning mesh mixer to get custom supports... For now the custom supports feel a little kludgy but are definitely workable, especially for the price. One thing I noticed is I get weird stutters on arc shaped perimeters but I'm assuming it has to do with the alpha status of the software, other than that everything else works quite well.

Posted : 27/12/2018 4:45 pm
neil.w
(@neil-w)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Fantastic work Prusa. Really liking all the new featrures.

I have downloaded the .dmg Mac version. For some reason I can only open the program if I go into Show Package Contents, navigate to the MacOS folder and start the Unix executable file. If I try to open by just double clicking the application icon it just force closes every time.

Is this just me or is there an issue with the Mac version?

Posted : 27/12/2018 10:35 pm
randolph.l
(@randolph-l)
Honorable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

make sure that a copy of the release version of Slic3rpr is not running or if you have just quit a session with it that you force relaunch the finder under the force quit item under the apple menu. restarting your mac also works when this happens and yes it is a bug... these are just workarounds

Posted : 27/12/2018 11:53 pm
neil.w
(@neil-w)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Machine restart sorted it. Thank you.

Posted : 28/12/2018 12:37 am
Mike
 Mike
(@mike-8)
Estimable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Well done! I like the new gui. The keyboard shortcuts are useful and I like to add a color change. The new modification tool is also very good. Much better than the separate window before. Is it possible to make the sidebar customizable? It is really huge.
I also found a small bug. When I - in this case just for fun - set detect support everywhere, support areas are detected where none exist.
I saved my complete setup and attached it here. Maybe that helps. - also thanks for this new save feature. 😀

Posted : 28/12/2018 9:45 pm
Patrick.b
(@patrick-b)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Hi ,

Seems a wonderful slic3r apha beta or gamma , but me no way to launch it !!!

only the console.exe work and no prusa Mk3 in...it's missing many png and other files!! I reboot , in case ! same...Zip files seems ok but compare with previous ver ther is lot of missing files..!!

what can be issue? thx

Posted : 28/12/2018 10:10 pm
Abunchahicks
(@abunchahicks)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha1


Hi ,

Seems a wonderful slic3r apha beta or gamma , but me no way to launch it !!! 2018-12-28.png

only the console.exe work and no prusa Mk3 in...it's missing many png and other files!! I reboot , in case ! same...Zip files seems ok but compare with previous ver ther is lot of missing files..!!

what can be issue? thx

Mine does the same thing. I'm using the console.exe. I hope the final version comes out soon.

Posted : 28/12/2018 10:33 pm
Protoncek
(@protoncek)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha1

Guys, do you have admin rights? Try to 'run as admin', or check all files and set properties to 'run as admin' for all.

Posted : 29/12/2018 8:38 am
Abunchahicks
(@abunchahicks)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha1


Guys, do you have admin rights? Try to 'run as admin', or check all files and set properties to 'run as admin' for all.

First thing I tried. No luck.

Posted : 29/12/2018 8:47 am
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