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yetanotheraccount
(@yetanotheraccount)
Active Member
bewildered by the slicer

I want to tell the slicer which of the 5 extruders have which material.  I cannot figure this out.  This ought to be simple.  If I try the plater button it will show the 5 extruders but the wrong material for number 5.  I click on the "gear" to change the material but that gets me nowhere.  I see all kinds of customization but no way to just plain change the material from one thing to another.

 

Publié : 15/01/2021 5:31 am
jsw
 jsw
(@jsw)
Famed Member
RE: bewildered by the slicer

Do you have the device type properly set for MK3SMMU2 or just MK3S?

Publié : 15/01/2021 9:07 am
yetanotheraccount
(@yetanotheraccount)
Active Member
Topic starter answered:
RE: bewildered by the slicer

Where is that supposed to be set?  In the configuration wizard?

I have i3 mk3s mmu2s checked, and no others.  Is that what you mean?

Publié : 15/01/2021 1:41 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: bewildered by the slicer

If you have a model that only needs one filament, use the MMU2 Single Filament option 

you can select  the preferred nozzle size, if you select these options in the configuration wizard...

when the project starts the Printer will ask which extruder you want to use. so the same Gcode could be used with any extruder number on different occasions

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Publié : 15/01/2021 2:40 pm
yetanotheraccount
(@yetanotheraccount)
Active Member
Topic starter answered:
RE: bewildered by the slicer

 

My original question was about how to permanently assign the filament type to the extruder number.  That's what I want to do.

Publié : 15/01/2021 4:04 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: bewildered by the slicer

There are several ways to set particular filaments, 

some filaments don't bond together easily, for example PLA and PETG. 

this can be leveraged to use PLA as a removeable support for PEG Models in lieu of BVOH or PVA. 

In the image above I have selected extruder 3 to print the Bunny


In the image above I have selected filament 4 to print the dog...   

In reality I would print these single filament models separately to save time and filament. 


In the image above I have selected different filaments for different STL's that make up, this model   Note, I would usually print this upside down, to reduce the size of the waste tower, this way round the waste tower would be 26mm tall, upside down the waste tower would be 1mm tall

this is the same print with a different set of filaments printed using Prusa Slicer and the Mk3S but I used Palette for this version,  hence only 4 colours...
you can see the texture off the build plate, on the face of the model
regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Publié : 15/01/2021 8:03 pm
yetanotheraccount
(@yetanotheraccount)
Active Member
Topic starter answered:
RE: bewildered by the slicer

I see no reason why I have to have a .stl or any other file open.  I want the printer to know what filament is on each one of the extruders.  The PVA material is, by my personal decree, always going to be on extruder 5, no matter what is being printed.  How can I assign that once and for all.

Publié : 15/01/2021 11:41 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: bewildered by the slicer

@yetanotheraccount

try prusa github for Prusa Slicer,  and make it a request
regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Publié : 16/01/2021 12:01 am
yetanotheraccount
(@yetanotheraccount)
Active Member
Topic starter answered:
RE: bewildered by the slicer

????

are you saying that what i'm asking for is impossible?

Publié : 16/01/2021 12:31 am
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: bewildered by the slicer

 No.
what I am saying is that at this stage of development, to the best of my knowledge the developers are unaware of your specific requirements. and that if you take the time to pass on your ideas, they will look at the request and see whether it is worthy of inclusion in their future development plans.

Most users would set up the filaments in their preferred order and then save the information in a basic project, which they could reload any  time they wished, to restore their preferred environment. unfortunately, to the best of my knowledge, I believe that you cannot save a project without including an STL 
Unfortunately the available options don't seem to  meet your expressed requirements.

is there a slicer that does meet your requirements?

regards Joan

 

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Publié : 16/01/2021 2:05 am
bobstro
(@bobstro)
Illustrious Member
RE: bewildered by the slicer
Posted by: @yetanotheraccount

????

are you saying that what i'm asking for is impossible?

Anything is possible with enough money. The trick is building enough features into a product that people will buy it, while avoiding expensive features that only appeal to a niche subset of buyers. When you say you "want the printer to know what filament is on each one of the extruders" and further require it to do so without any external help, you are implying a considerable increase in computing power and sensors. Can it be done? Absolutely. Are you and a reasonable number of buyers willing to pay a premium for the feature? That's the real question. 

There's no harm in requesting a feature, of course. But that doesn't mean everything is practical or likely.

Or as my Texan colleague would say: "... Well, people in hell want ice water." 

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

Publié : 16/01/2021 2:42 am
towlerg
(@towlerg)
Noble Member
RE: bewildered by the slicer

I may have misunderstood what you want and I don't have an MMU but if I specify 3 extuders, I see 3 entries for filament on the Plater page. Are you saying that each entry does not have a one for one relationship with actual filament? Maybe it's different with a MMU attached.

Ce message a été modifié il y a 4 years 2 fois par towlerg
Publié : 18/01/2021 10:18 am
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