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Nebulus
(@nebulus)
Active Member
Brim painting

It would be great if brim could be 'painted, like for support or seams, I had a recent print where there was just a tiny part that would have needed brim to hold on the plate, it was just after 3hours print that it fell off, ruining the print. I hope it's not a duplicate, I didn't find any similar request in the forum

Cheers, keep on the great work on Prusaslicer 🙂

Postato : 08/07/2022 10:25 am
cwbullet
(@cwbullet)
Utenti
RE: Brim painting

I would submit this as a suggestion on github.  

 

https://github.com/prusa3d/PrusaSlicer

--------------------
Chuck H
3D Printer Review Blog

Postato : 08/07/2022 11:02 am
Nebulus
(@nebulus)
Active Member
Topic starter answered:
RE: Brim painting

oh yep you're right 😮   I missed that

Postato : 08/07/2022 11:10 am
Neophyl
(@neophyl)
Illustrious Member
RE: Brim painting

I see you already opened an issue, I was going to mention that before opening new ones you need to search to see if one already exists.  In this case it does https://github.com/prusa3d/PrusaSlicer/issues/8283   .  With over 2000 open issues and many more closed ones it is quite likely to already have been requested.

Postato : 08/07/2022 11:20 am
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Brim painting

Not saying it's not a good idea but maybe just placing a part that area and making it one layer high might do (like Mickey Mouse ears on the corners of large objects to avoid warping). 

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Postato : 08/07/2022 5:00 pm
Swiss_Cheese
(@swiss_cheese)
Noble Member
RE:

You can already put a brim anywhere you want, in any shape you want, on any object you want. This is not a belittlement of you or anyone else. you just need to educate yourself on the use of modifiers. This is still possible in 2.5 alpha as well.

 

Good Luck

 

Swiss_Cheese

Questo post è stato modificato 3 years fa da Swiss_Cheese

The Filament Whisperer

Postato : 09/07/2022 4:27 am
Nebulus
(@nebulus)
Active Member
Topic starter answered:
RE: Brim painting

Yep thanks for that advice, I think I have to revise my search techniques, didn't find it, should probably have insisted a bit there 🙄 

Postato : 09/07/2022 8:28 am
Nebulus
(@nebulus)
Active Member
Topic starter answered:
RE: Brim painting

The modifiers are indeed a good alternative, I think the Brim painting is still an interesting feature for future releases,and I probably wasn't thinking of this is because the parts were very small and I was too much focused on other possible failures; well, we'll see what future brings 🙂

Postato : 09/07/2022 8:33 am
Henry
(@henry-2)
Estimable Member
RE: Brim painting

 

Posted by: @swiss_cheese

You can already put a brim anywhere you want, in any shape you want, on any object you want. This is not a belittlement of you or anyone else. you just need to educate yourself on the use of modifiers. This is still possible in 2.5 alpha as well.

Is there a way to specify that the added modifiers are to be classified as a brim though? While I haven't done it, my understanding is that the "brim separation" value can be tuned such that a brim provides good support to a part, but can be easily peeled off without leaving excess material and without a deburring tool. Do brims tuned in this way assist with holding down sharp corners?

Postato : 09/07/2022 1:00 pm
Snuffleupagus
(@snuffleupagus)
Estimable Member
RE: Brim painting

@zolmel

Maybe this will help you.

 

Regards

Postato : 03/07/2024 10:07 pm
Amadeo
(@amadeo)
Utenti
RE: Brim painting

Agreed that brim painting would be helpful.
The brim separation is a compelling reason to use brim and not a modifier.

The downside of modifiers is that they take longer to set up, and they overlap with the printed part.

Postato : 17/04/2025 7:55 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Brim painting

If you Merge a model with a modifier, they do not overlap. 
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

Postato : 17/04/2025 8:02 pm
Amadeo
(@amadeo)
Utenti
RE: Brim painting

Thank you for sharing, I didn't know that this extra step would fix the overlap.

However, this illustrates the benefits of brim painting; using modifiers takes long time, necessitates a sequence of advanced steps, and the result doesn't honor the brim separation width. The steps are: create modifiers, scale them, ensure they drop to the bed and don't float in the air, then merge the model.

Postato : 18/04/2025 8:56 pm
Snuffleupagus
(@snuffleupagus)
Estimable Member
RE: Brim painting

@amadeo wrote:

However, this illustrates the benefits of brim painting;

It illustrates the benefits of education, the implementation of painting on brims is wholly unnecessary and impractical.

using modifiers takes long time,

No, it doesn't, once again education is the key. Not only are they quick to setup, should you setup some that you like they are reusable in any project.

necessitates a sequence of advanced steps,

Not really, it's not for beginners, however it is not difficult at all. As well offers far more control as your knowledge of the software advances, as it should.

and the result doesn't honor the brim separation width.

This is 100% incorrect.

Not only does it honor the "Brim separation gap" settings, it also honers "Brim width" and "Elephant foot compensation". It works perfectly, and across multiple Objects simultaneously if needed.

The steps are: create modifiers, scale them, ensure they drop to the bed and don't float in the air, then merge the model.

The steps you listed are incorrect.

 

This is a link to a post with the correct information, I hope this helps you.

https://forum.prusa3d.com/forum/prusaslicer/partial-brim-possible-not-around-the-entire-object/

 

Of course you have to be willing to learn.

Regards

 

 

 

Postato : 19/04/2025 2:36 am
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