Sketchup Round Corner Crack Top [best] Jun 2026

We’ve all been there. You’ve just installed the extension (by ThomThom) to soften those sharp edges. You click the button, watch the magic happen... and then you flip the model over.

Before running Round Corner:

Reduce your Offset value in the plugin toolbar until the preview shows clean, green lines without red intersections. If you must have a large radius, you may need to simplify the surrounding geometry first. 3. Cleaning Up "Cracked" Top Faces sketchup round corner crack top

Always run Right-click → Reverse Faces on your object before using Round Corner. Ensure all exterior faces are white (front) . A mix of front/back faces is a guaranteed way to get cracks on top surfaces. We’ve all been there

Mastering SketchUp: How to Fix "Crack Top" and Geometry Issues in Round Corners and then you flip the model over