How to change first layer above support?
 
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TeachThePrints
(@teachtheprints)
Estimable Member
How to change first layer above support?

How can I change the layer that gets put ontop of a support? PS does go in a circle, when I really want straight lines, to lower adhesion to the support below.

This is the support top layer:

The first layer PS puts:

This is the 2nd bottom layer above the support and what I ideally want as the bottom layer, instead of the above circular layer. 

Using PS 2.7.1 on Mac Sonoma 14.2

Best Answer by Neophyl:

That is not normal for bridges.  We would need to see your saved Prusa Slicer project file to be sure (File>Save Project As).  Then take the 3mf and ZIP it up and attach it here.  A 3mf saved from PS has the model but more importantly all the settings included.  Its a snapshot and allows us to debug issues much more easily.

If I had to guess I'd say you had Extra Perimeters on Overhangs enabled, which is a red/expert setting that is classed as experimental.  That can give a bridge like you pictured rather than a straightforward side to side rectilinear pattern.

Prusa Mini FW4.4.1

Posted : 21/01/2024 3:40 pm
Neophyl
(@neophyl)
Illustrious Member
RE: How to change first layer above support?

That is not normal for bridges.  We would need to see your saved Prusa Slicer project file to be sure (File>Save Project As).  Then take the 3mf and ZIP it up and attach it here.  A 3mf saved from PS has the model but more importantly all the settings included.  Its a snapshot and allows us to debug issues much more easily.

If I had to guess I'd say you had Extra Perimeters on Overhangs enabled, which is a red/expert setting that is classed as experimental.  That can give a bridge like you pictured rather than a straightforward side to side rectilinear pattern.

Posted : 21/01/2024 4:20 pm
TeachThePrints
(@teachtheprints)
Estimable Member
Topic starter answered:
RE: How to change first layer above support?

The Extra Perimeter on Overhangs is indeed the setting which caused this concentric layer. Without it, I get the proper rectilinear bridge layer

Prusa Mini FW4.4.1

Posted : 21/01/2024 6:50 pm
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