prusa3d / PrusaSlicer

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)
https://www.prusa3d.com/prusaslicer/
GNU Affero General Public License v3.0
7.8k stars 1.94k forks source link

Detect Thin Walls introduces empty layers for tiny geometry #4486

Open BirkBinnard opened 4 years ago

BirkBinnard commented 4 years ago

Version

2.20

Operating system type + version

Win10/64

3D printer brand / version + firmware version (if known)

FLSun QQ-S Pro/ firmware 2.5

This image shows object to be sliced. It loads as Manifold and 3D Builder finds no errors with it.

screenshot_03

This image shows slicing results with Detect Thin Walls off

screenshot_02

This image shows same geometry after slicing with Detect Thin walls on

screenshot_01

Here is the STL file in question: https://drive.google.com/file/d/1mG1Y0aQ8qQESC5K6OuItDzKzYTK7eGcf/view?usp=sharing

rtyr commented 4 years ago

Similar to #340, #149, #3611. #4110, #2583.