Sketchup Round Corner [upd] Crack Top Jun 2026
Before applying any rounding, scale your entire model up by 10x or 100x. This bypasses the "tiny face" limitation. Once the rounding is finished, scale it back down—the tiny faces will remain intact.
In SketchUp, "cracking" on a rounded corner or top face often occurs when geometry is forced out of its 2D plane or when faces are too small for the program to render correctly Why "Cracks" Happen Non-Coplanar Faces sketchup round corner crack top
The crack appears when the plugin fails to triangulate the cap correctly. The primary causes are: Before applying any rounding, scale your entire model
: Right-click your object and select Make Component . In SketchUp, "cracking" on a rounded corner or
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
The issue is a rite of passage. It signifies that you are pushing organic geometry inside a polygon-based engine. By understanding the "Ngon limitation" and adopting the Sandwich Workaround or adjusting your plugin segments, you can produce watertight, 3D-printable, and render-ready models.
: If a rounded corner intersects with nearby geometry (like a hole or another edge), the plugin may fail to close the face properly. Non-Coplanar Faces