Sketchup Round Corner Crack Top [Android WORKING]

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

The top face looks like a cracked desert floor.

Those unsightly seams, overlapping triangles, and "pinched" vertices on the flat top surface can ruin a otherwise perfect rendering. But don't worry—this isn't a bug in Round Corner; it’s usually a geometry logic issue. sketchup round corner crack top

Here is why that crack happens and how to fix it for a flawless fillet.

To solve the SketchUp round corner crack top, you need to think like the plugin. Fredo6’s Round Corner works by creating three sets of geometry: We’ve all been there

The crack appears when the plugin fails to triangulate the cap correctly. The primary causes are:

In the Round Corner toolbar, look for the Offset type (usually under Advanced settings). The crack appears when the plugin fails to

If you need a perfectly smooth, crack-free top (like a car fender), stop using Round Corner for the top vertex. Use Artisan or SubD (Subdivision) .

Sometimes the face exists, but it is reversed (blue instead of white). Right-click the area > Reverse Faces.

If you are running into this issue, try these troubleshooting steps before giving up on the model:

To never see the "SketchUp round corner crack top" again, you must change your workflow.