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Chr88i
(@chr88i)
Member
thin gear wall

Hi guys,

I want to print this part on my prusa mini: https://www.thingiverse.com/thing:6371494
But when i slice it with prusaSlicer 2.9.0, my part looks like this:

slice result, not ok  https://ibb.co/ksH54vzn
Tried to print anyway, but the part comes out exactly as displayed with visible gaps between the gear teeth.
What settings do i need to adjust to get a better " wall" behind the gear teeth?

Napsal : 29/01/2025 5:47 pm
FoxRun3D
(@foxrun3d)
Famed Member
RE:

I spent 30 second staring at an ad while the STL was downloading, which reminded me why I almost never go to Thingiverse anymore...

Anyway, the inner wall is just too thin for the default extrusion width. I managed to make it look okay in the slicer by setting Print Settings>Advanced>External Perimeters to 0.35mm. 

But I don't think you're going to have much joy with such a thin wall.

Also, why would you want to print this with 0.05 mm layer height?? There's zero horizontal detail. Print it with 0.2mm layer height and save 50% time.

This post was modified před 1 day by FoxRun3D

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Napsal : 29/01/2025 7:13 pm
FoxRun3D
(@foxrun3d)
Famed Member
RE: thin gear wall

Can't edit this anymore. Of course I meant there's no vertical details, so 0.05 layer height is way overkill.

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Napsal : 29/01/2025 9:31 pm
Chr88i
(@chr88i)
Member
Topic starter answered:
RE: thin gear wall

thanks for you reply. The external perimiters does the job.

I do need the thin wall, since the gear is positioned over another part inside the vacuum brush head.
When i make the wall ticker, it won't fit anymore. 

With 0,05mm i tried to have more detail, wrongly thought so.
What i'm still struggling with is that i printed this exact part on the same printer a year ago without any problems.

Napsal : 30/01/2025 9:38 am
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