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Jakub Dolezal
(@jakub-dolezal-2)
Admin
Slic3r Prusa Edition 1.42.0-alpha3

New version is out Alpha 4! https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/slic3r-prusa-edition-1-42-0-alpha4-t27399.html

Hi guys,
brand new Slic3r Prusa Edition 1.42.0 is out! This is a third alpha build intended to test new features. Note that this release is 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.

List of changes in Slic3r Prusa Edition 1.42.0 :
-> 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

Release: Slic3r Prusa Edition 1.42.0-alpha1
For a detailed description of the previous release please check this post

Release: Slic3r Prusa Edition 1.42.0-alpha2
For a detailed description of the previous release please check this post

Release: Slic3r Prusa Edition 1.42.0-alpha3:

New features:
-> The build system has been polished, the build process including dependencies is now automated and well documented #827, #1039, #1421.
-> "make install" was implemented on Linux including a FHS compliant variant to make the life easier for Linux package maintainers #1515.
-> Implemented update of object position / orientation / scaling at the side bar on Enter key. Works on Windows and Linux, unfortunately it does not work yet on OSX due to technical limitations of the wxWidgets library #1518.
-> Implemented [filament_extruder_id] placeholder to be used inside the start_filament_gcode and end_filament_gcode #1568.
-> Improved visual hints at the layer slider to indicate that there are filament swap actions planned (the color change feature). We will yet improve the color palette to differentiate the neighboring layers better #1571.
-> Added colored radio buttons for the "Simple / Advanced / Expert" mode to the side bar and to the top of each of the Print/Filament/Printer pages.

General fixes:
-> Fixed opening of an object in Slic3r from Fusion 360, it now works on both Windows and OSX #1239, #1555.
-> Fixed erratic behavior on bed size over 1129mm #1373.
-> Updated the OSX manifest to register the stl/obj/amf/3mf file types on Finder. One may now open Slic3r with a double click on a model file, or through "open with" menu in Finder, thanks @reven #1422.
-> Fixed a regression issue in "Avoid crossing perimeters" feature #1505, #1541.
-> Fixed a crash when moving a support blocker due to unguarded access to invalidated back end data #1506.
-> Fixed opening of files in GUI slic3r from the command line #1508.
-> Implemented uniform scaling via the Object Manipulation sidebar #1519.
-> Fixed processing of the command line --datadir parameter. The string parameters like the --datadir are no more unescaped, string vector parameters are unescaped only if enquoted. #1526.
-> Fixed a crash when trying to add a parameter override to an object instance. As we do not support parameter overrides for instances, now the parameter override is added to the instance's object, thus shared by all instances #1528.
-> Fixed a crash when adding options to an object through the object's popup menu from the 3D view #1579.
-> Fixed a bug introduced into alpha2, that broke saving of profiles #1584, #1598, #1601, #1604, #1612, #1628.
-> Fixed update of the Filament Type field #1543.
-> Fixed an assert in About dialog #1577.
-> Fixed import of user config bundles, where the "inherits" flag was ignored, thus losing the inheritance status from the system profiles #1580.
-> Improved vertical panning of the viewport with an empty bed #1589.
-> Improved responsibility of the object manipulation in 3D scene due to frequent sidebar updates #1590.
-> Fixed occasional jumping of an object to a far away position when dragging #1596.
-> Fixed some localization issues at the side bar #1622.
-> Fixed incorrectly disabled menus after a switch of the application language #1630.
-> Fixed a crash when trying to slice with a wipe tower, breakable supports and explicit extruders assigned to the supports from the side bar. Now this unsupported combination of parameters is tested for and reported to the user #1632.
-> Fixed a crash occurring when several instances of an object are deleted.
-> Fixed an OSX specific regression error, where Slic3r would not start due to Finder passing an unexpected "process serial number" parameter on command line.
-> The "Place to bed" has been improved to correctly handle scaled objects.
---

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-alpha3

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 : 14/01/2019 9:24 am
zoltanf
(@zoltanf)
Eminent Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Layers editing (dynamic layers) still broken on Mac OS version (after setting layers with on a part the line just get's back in the middle).
Apart from that a great release, thank you for the hard work, these alphas are an amazing improvement over the previous version!

Posted : 14/01/2019 10:42 am
Patrick.b
(@patrick-b)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

waou great improvment , improvment....thanks for good job

Posted : 14/01/2019 5:57 pm
randolph.l
(@randolph-l)
Honorable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

these Alphas are going from strength to strength keep up the good work. 🙂

Posted : 14/01/2019 11:13 pm
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

I still can’t load 1.41 profiles into 1.42. What is the correct method?

Posted : 15/01/2019 6:04 am
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3


I still can’t load 1.41 profiles into 1.42. What is the correct method?

Nobody knows? I can't use this alpha without my profiles.

Posted : 18/01/2019 2:54 pm
bobstro
(@bobstro)
Illustrious Member
Re: Slic3r Prusa Edition 1.42.0-alpha3



I still can’t load 1.41 profiles into 1.42. What is the correct method?

Nobody knows? I can't use this alpha without my profiles.
Are you getting the message about duplicate profiles? I believe this was caused by an older version including the default profiles in the config bundle .ini file. The good news is that 1.42 only creates bundles with your custom profiles, but you still can run into problems importing old .ini files.

Easiest is to try the import, note the line indicated and open the config bundle .ini file in a text editor. Go to that line and delete the block from the name in square brackets (e.g. "[printer: some default printer]") to the next blank line. Save it and try again. Repeat as necessary until the profiles import without error. IIRC, I had to delete about 8 blocks like this.

It's annoying, but the good news is, once you get this done, it should work properly in new versions.

One tip: If you include a unique string (e.g. your initials) in every custom profile, it is very easy to write a small python script to extract only your custom profiles. If you get really stuck, create copies of all your profiles with some consistent string in them and send me a link to your config bundle .ini. Let me know the string you used to flag your profiles and I can extract them for you.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 18/01/2019 6:37 pm
W. Ian Douglas
(@w-ian-douglas)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

-> Dropped features

Can we get also get a list of features that will not be in 1.42?

Posted : 19/01/2019 2:03 am
Patrick.b
(@patrick-b)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Add support enforcer is working ? or is it me i miss something or do wrong ??

I set up the block then after i slice but no support where i add the green block! !

thx

Posted : 19/01/2019 4:37 pm
EddyMI3D
(@eddymi3d)
Active Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Hi!

Could you please include the feature to change the values for the extruder stepper current (M907 Exxx) in MMU mode for toolchange unload/load, toolchange wipe and print mode?
That could be very convenient in some cases. For example when the filament needs that little more push to slip into the heat-break.

Thanks a lot!

Eddy

Posted : 19/01/2019 6:29 pm
Martin Wolfe
(@martin-wolfe)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Have any improvements been made to the bridging algorithms?

As can be seen above in 1.41.2 Sli3er chose the long direction to run the bridges rather than the short one. With this print as it had generated support material there was no need to run the bridge on the long axis.

Regards,
Martin

Martin Wolfe

Posted : 19/01/2019 7:06 pm
rotarypower101
(@rotarypower101)
Estimable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Are Support modifiers on OSX active or is there issues with this still? Any plans to have this fixed or testing builds that work on OSX?

Both the full release 1.41.2+

And 1.42.0-alpha3

Does Not produce supports correctly for me, and have been able to confirm others on OSX see the same issues I see.

Suport modifiers like Support Enforcer and Support Blockers do Not work at all.

Even the "Overhang Threshold" in Supports alone seems to be over ridden and not adheared to, it seems to just ignore the function, which I assume is tied into the issues with the support modifiers?

Posted : 20/01/2019 6:30 am
GeorgeE
(@georgee)
Trusted Member
Re: Slic3r Prusa Edition 1.42.0-alpha3


Add support enforcer is working ? or is it me i miss something or do wrong ??

I set up the block then after i slice but no support where i add the green block! !

thx

Did you enable generate supports and disable auto generated supports in the supports section of print setings?

Posted : 20/01/2019 3:59 pm
Patrick.b
(@patrick-b)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

Yes thanks on 1st i forgot this now is ok ...work perfect .... 🙄

Posted : 20/01/2019 8:43 pm
JLTX
 JLTX
(@jltx)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3




I still can’t load 1.41 profiles into 1.42. What is the correct method?

Nobody knows? I can't use this alpha without my profiles.
Are you getting the message about duplicate profiles? I believe this was caused by an older version including the default profiles in the config bundle .ini file. The good news is that 1.42 only creates bundles with your custom profiles, but you still can run into problems importing old .ini files.

Easiest is to try the import, note the line indicated and open the config bundle .ini file in a text editor. Go to that line and delete the block from the name in square brackets (e.g. "[printer: some default printer]") to the next blank line. Save it and try again. Repeat as necessary until the profiles import without error. IIRC, I had to delete about 8 blocks like this.

It's annoying, but the good news is, once you get this done, it should work properly in new versions.

One tip: If you include a unique string (e.g. your initials) in every custom profile, it is very easy to write a small python script to extract only your custom profiles. If you get really stuck, create copies of all your profiles with some consistent string in them and send me a link to your config bundle .ini. Let me know the string you used to flag your profiles and I can extract them for you.

Thank you for the help. This solved my problem.

Posted : 21/01/2019 5:22 am
Texy
 Texy
(@texy)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

I keep getting a M600 (change filament) added to my gcode for some reason. I can't be sure 100% it is due to Slic3r or this version of slic3r as I also tweaked some profiles.
I am not running a MMU, so don't know what's causing it.... anyone else?
Texy

Posted : 21/01/2019 1:32 pm
toaf
 toaf
(@toaf)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

something I noticed, and I can see where this wont get in the finale build.

but when changing (adding/subtracting) objects the list flickers allot.
but so far it's working good with the mk3 and mmu2 while adjusting models to work mmu style

I have a Prusa,therefore I research.

Posted : 22/01/2019 5:11 am
reid.b
(@reid-b)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3

How do we select the option to purge to infill when working with multi-material prints? I got the a dialog ONE time that let me do this. Now I can't seem to find the magic button to allow me to select this (or purge to another object, for that matter).

Posted : 25/01/2019 7:59 am
toaf
 toaf
(@toaf)
Noble Member
Re: Slic3r Prusa Edition 1.42.0-alpha3


How do we select the option to purge to infill when working with multi-material prints? I got the a dialog ONE time that let me do this. Now I can't seem to find the magic button to allow me to select this (or purge to another object, for that matter).

found it

add settings/ extruders.

I have a Prusa,therefore I research.

Posted : 25/01/2019 8:13 am
reid.b
(@reid-b)
Reputable Member
Re: Slic3r Prusa Edition 1.42.0-alpha3


found it
add settings/ extruders.

Thank you! Some things just aren't so obvious! That did the trick.

Posted : 25/01/2019 9:13 am
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