Sketchup Round Corner Crack Top May 2026

Why does this happen? More importantly, how do you fix it without scrapping hours of work?

Remember: Clean geometry is happy geometry. Always run Solid Inspector before rounding, and apply fillets in small increments. Happy modeling! sketchup round corner crack top

In this comprehensive guide, we will dissect the causes of the dreaded "crack top," provide step-by-step repairs, and show you how to prevent it from ever happening again. Before fixing the problem, you must understand it. The Round Corner plugin works by offsetting, extruding, and stitching geometry. When you apply a fillet to a hard edge, SketchUp’s geometry engine (based on polygons, not true NURBS curves) must triangulate complex intersections. Why does this happen

A massive "crack top" appears 2 inches from the corner. Why does this happen? More importantly