: The RoundCorner tool now includes a feature to detect overlaps. If the rounding radius is too large for the available face area, the geometry will "self-intersect," creating holes or "cracks".
: Select the copy, press S , and scale it up by 100x or 1000x .
SketchUp has a tolerance limit for edge lengths. If the segments generated by RoundCorner are shorter than approximately 1/1000 of an inch, SketchUp will treat the two endpoints as the same point and delete the edge, which rips a hole in the model.
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Troubleshooting SketchUp Round Corner Extension Issues and "Cracks" in Top Faces sketchup round corner crack top
Here is a solid review of the plugin with a specific focus on that cracking issue, why it happens, and how to fix it.
Scale your tabletop up by a factor of 10 or 100 before running the rounding tool. Once the geometry is rounded, you can scale it back down to its original size. SketchUp will retain the smooth high-fidelity detail without generating errors. 2. Reversed or Exploded Faces
Look back at your original, small component. Because they are linked instances, the original model will now perfectly display the rounded, tiny geometry without any cracks. Method 2: Adjust the Offset and Segment Count
Ensure the top face of your model is white (front face) and not blue/grey (reversed back face). Rounding plugins frequently miscalculate vectors on reversed faces, leading to torn meshes. To help you get this sorted out right away, let me know: : The RoundCorner tool now includes a feature
Sometimes, you need to give SketchUp a hint. Manually drawing a few simple lines can guide the plugin to create the correct faces.
#SketchUp #3DModeling #Tips #RoundCorner
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The most common cause of cracks is SketchUp's inability to create very small faces (less than ~1/16th of an inch). When the plugin tries to round a small corner, it simply fails to fill the geometry, leaving a "crack". Select your object and make it a Component . SketchUp has a tolerance limit for edge lengths
Ensure you have both the RoundCorner tool and its required library dependency, LibFredo6 , installed.
If the crack only happens on one specific corner, you can patch it manually. Turn on ( View > Hidden Geometry ). Select the Line tool ( L ) .
Before running any rounding commands, ensure your top face is 100% flat. Activate the view ( View > Hidden Geometry ).
Select the perimeter bounding edges of the top face to act as a path.
The crack appears when the plugin fails to triangulate the cap correctly. The primary causes are:
The corner radius is larger than the face it is trying to round, causing adjacent corners to intersect. Non-Planar Faces: The top surface is not perfectly flat.