SketchUp cracks or missing faces during rounding occur when geometry falls below the application’s 0.025 mm tolerance limit, commonly resolved by scaling up the model by 100x or 1000x before applying the RoundCorner tool. Alternative solutions include reducing the segment count or switching to the more robust FredoCorner plugin for complex intersections. To learn more about fixing these issues, see the discussion at SketchUcation. Round Corner Issues | sketchucation
Here is the "story" of why this happens and how you can fix it. 1. The Mystery of the "Tiny Face" Limit sketchup round corner crack top
The most common way to solve this is by using extensions from developer Fredo6. There are two primary options, and knowing which one to use is key to avoiding top-face cracks. SketchUp cracks or missing faces during rounding occur
If you’ve modeled a box, table, or curved object in SketchUp and noticed a thin crack or seam along a rounded corner on the top face, you’re not alone. That visual artifact often happens when edges, faces, or smoothing settings don’t align perfectly after rounding or chamfering. This post explains why it happens and gives clear, actionable steps to fix it so your model looks clean and exports correctly. Plugin Expiration: If you are using an old
Before running Round Corner: