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Nesting capabilities of slicer (overview) (lemmy.ml)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

14 comments fedilink hide all child comments

Short overview of how good the nesting capabilities of various 3D slicer are.

The task is simple: placing as many of these shapes on a 200x300mm printed as possible. Manual (quick and dirty for reference): 6 pcs.

Ranking:

Ultimaker Cura: 7 pcs.
human (me): 6 pcs.
Orca slicer: 5 pcs.
PrusaSlicer & BCN3D stratos: 4 pcs. By switching (for this particular part) from the worst (Prusa) to the best (Cura) slicer the nesting performance improved by a whopping 75%!

Ultimaker Cura:

Prusa:

BCN3D Stratos (forked from an old version of Cura):

OrcaSlicer:

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[–] [email protected] 6 points 2 months ago (5 children)

Did you turn on Automatic Rotations in Prusaslicer? By default it's left off and just tiles your part when you duplicate it.

[–] [email protected] 0 points 2 months ago* (last edited 2 months ago) (4 children)

Default settings. Where is the option to rotate it?

Providing it manually with 90° rotated and using the auto arrange instead of fill bed: 5 pcs. Still not a great result.

[–] [email protected] 1 points 2 months ago (1 children)

There's also a setting for minimum spacing between parts. The default is overly cautious iirc, I'd suggest lowering it and trying again, though I don't expect it to change much

[–] [email protected] 2 points 2 months ago* (last edited 2 months ago)

Improved but still not a match to Ultimaker Cura.

Prusa is very slow compared to Cura as PrusaSlicer needs every option checked including Geometry handling accurate to sometimes get 7 pcs. matching Cura performance. If the result is 7 or 6 pcs. depends on where the part originally was placed on the print bed (or luck? run to run variance?). Not a reliable software for nesting.

With fast and balanced setting it only does 6 pcs.

fast:

balanced:

accurate:

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