Interface Filament Painting?

Hi all,

I hope someone else has a solution for this. I would like to use interface filament in certain areas of a print only. This way, I can speed up print time and avoid hundreds of filament changes. It would be ideal to paint the surfaces where we want interface filament and have the default same-filament support elsewhere.

I want these interface support areas to have a nice finish. Also, I am printing in PETG, so an aid to support removal would be appreciated.

I am interested in hearing someone else’s thoughts!

I don’t think that’s possible in Bambu Studio. You can’t paint interface material and support settings are global – so you can’t even use modifiers. :worried:

Same in Orca :frowning:
Has anyone an idea why?

Well, thanks for the replies hho and frank.d. My workaround thus far is to place another part inside my CAD files that acts as the support. There are problems with this… I do not understand how the assembly features work in Bambu, if you bring 2 parts into your studio (your part + your part support) Bambu automatically merges the parts, or, places both on the build plate. This is not helpful if you wish for support only as an interface layer; it has to float. On the other hand, a merged version of 2 parts only allows the use of 1 filament type. As a workaround to this, I set a 0.001" gap between the 2 parts in the file. This effectively cheats your z gap but it is such a minuscule difference I have not noticed an effect.

I know this is not a convenient fix but it is nonetheless a workaround that has saved me some time and filament changes!

Second this as a feature request - I’d love to be able to get more out of the H2D and paint support interface filament type for various sections for large prints, allowing the user choice where to keep, for instance PETG support interface on a rear side or plate side of a model that requires it to stay stuck/pulled onto the print bed for long prints, while other sections close to the top of the model on the Z axis could use Support For PETG filament interface to pull away more cleanly.

Can that not already be done with modifiers?

This thread linked below seems to indicate maybe not? Admittedly I’ve not used modifiers before so I may have a big knowledge gap here…

To make it easier on the end user surely having the ability to paint one support interface type under Z layer ■■■ and a different support interface over layer ■■■ would be a usable feature, no?

t/modifiers-editing-support-interface-material/79797

You’re right, I don’t see a way to control if interface is or isn’t used within modifiers.