: Right-click your object and select Make Component .
If you want to make a rounded corner look like it has been chipped, damaged, or cracked, follow these steps: sketchup round corner crack top
: Rounding holes or non-orthogonal intersections can sometimes confuse the algorithm, causing it to skip the top face or leave "bad geometry" at the corners. SketchUp Community How to Fix the "Cracked Top" Issue The "Scale Up" Method (Best Fix) Turn your object into a Make a copy and scale it up by 10x or 100x RoundCorner : Right-click your object and select Make Component
If the top looks like it's flickering or "cracking" visually, you might have two faces occupying the same space. Delete one of the overlapping faces or move one slightly. Manual Healing sketchup round corner crack top