Treat merged objects as separate objects
 
Notifications
Clear all

[Solved] Treat merged objects as separate objects  

  RSS
Eli
 Eli
(@eli-3)
Member
Treat merged objects as separate objects

Hi,

I'm trying to print 2 objects, one on top of the other one, named "bottom" and "top" for this example, merged to keep them aligned as is needed. After I slice them, the bottom object have top layers only on the visible/exposed area, area where the top object seat have no top layers(from the bottom object), neither bottom layers(from the top object).

I need the bottom object to be sliced as is alone on the plate, with full top layers and the top object to be sliced without bottom layers. 

I the past, working with CuraSlicer, I remember that if I let the object as is added on the plate, Cura treat them as a single object(as PrusaSlicer current do). But, if I add settings like these and these the slicer treat them as separate objects and the bottom one have top&bottom layers and the top one have only top layers.

Is there any way to do that in PrusaSlicer, treat them as separate objects ? 

Thanks,
Eli

 

Best Answer by BaconFase:

There is a setting called "Interface Shells" in Print Settings>Multiple Extruders and if you tick that On and you need a modifier on that Part to set the number of perimeters that is a different number than the number of perimeters in Print Settings>Layers and perimeters. Kinda wonder if this is a bug related to the change/fix in fuzzy skin where it no longer draws perimeters around the entire area rather than just affecting the outer surface.

 

Also for whatever reason, it seems like the number of bottom layer modifier setting isn't being followed if that number is smaller than the setting in Print Settings>Layers and perimeters. But that seems like a different bug.

Posted : 26/10/2025 4:08 pm
BaconFase
(@baconfase)
Reputable Member
RE: Treat merged objects as separate objects

There is a setting called "Interface Shells" in Print Settings>Multiple Extruders and if you tick that On and you need a modifier on that Part to set the number of perimeters that is a different number than the number of perimeters in Print Settings>Layers and perimeters. Kinda wonder if this is a bug related to the change/fix in fuzzy skin where it no longer draws perimeters around the entire area rather than just affecting the outer surface.

 

Also for whatever reason, it seems like the number of bottom layer modifier setting isn't being followed if that number is smaller than the setting in Print Settings>Layers and perimeters. But that seems like a different bug.

XL-5T, MK3S MMU3 || Printing with multiple nozzle-sizes: Official Guide, Unofficial(old) || PrusaSlicer Fork || Other advanced slicer tactics || TPU || HF Nozzles

Posted : 29/10/2025 11:53 pm
Neophyl
(@neophyl)
Illustrious Member
RE: Treat merged objects as separate objects

If you have a minimum bottom/ top thickness set then it will ignore the number of layers. So check your settings. 

Posted : 30/10/2025 5:59 am
1 people liked
BaconFase
(@baconfase)
Reputable Member
RE: Treat merged objects as separate objects
Posted by: @neophyl

If you have a minimum bottom/ top thickness set then it will ignore the number of layers. So check your settings. 

That makes sense. Guess I was expecting modifiers to override that rather than the other way around.

XL-5T, MK3S MMU3 || Printing with multiple nozzle-sizes: Official Guide, Unofficial(old) || PrusaSlicer Fork || Other advanced slicer tactics || TPU || HF Nozzles

Posted : 30/10/2025 7:20 am
Eli
 Eli
(@eli-3)
Member
Topic starter answered:
RE: Treat merged objects as separate objects

Thanks guys, for your involvement, I really appreciate it.

BaconFace solved my issue. I attached a picture with the result.

Posted : 30/10/2025 1:01 pm
Share: