RoundCorner is used for adding fillets/chamfers to edges of existing solids. Curviloft is used for generating complex surfaces between edges.
Select the 3D object, specific faces, or individual edges you want to round.
For users who are not interested in trials or licensing, there is an older legacy version that remains completely free: . This version was released in 2013 and, while lacking some of the advanced features of v3.4a, still works remarkably well for basic rounding and beveling needs, particularly on older SketchUp setups or when using SketchUp Make.
Once you have downloaded both the and LibFredo6 .rbz files, follow these steps to install them in SketchUp:
Click the button at the bottom of the window. Round Corner Extension Sketchup Free Download
Many users download a "free" extension only to find it errors out. Here is the fix list:
Historically, Fredo6 offered the original Round Corner for free before version 3.0. While you cannot find these on the official store easily, SketchUcation sometimes hosts older builds. However, these do not work well with SketchUp 2021 and newer due to API changes.
If you are a student or hobbyist, learn the "Follow Me & Arc" method. It is 90% as fast as Round Corner and works 100% of the time on any free version of SketchUp.
Search for and download its corresponding .rbz file (the plugin will not open without this library). Step 2: Install via SketchUp Extension Manager Launch your desktop version of SketchUp. RoundCorner is used for adding fillets/chamfers to edges
SketchUp struggles to generate faces that are smaller than 1 millimeter. If you are doing micro-bevels on tiny components, use the "Scale Definition" trick: Scale your entire component up by 100x, apply the Round Corner tool, and then scale it back down by 0.01x. Final Thoughts
The Round Corner plugin is part of the Fredo6 library ecosystem, meaning it relies on a shared library called LibFredo6 to function correctly.
Click the button at the bottom of the window. Locate the downloaded LibFredo6.rbz file and click Open . Repeat the process for the RoundCorner.rbz file. Step 3: Restart SketchUp
Enter the desired radius of the curve (e.g., 5mm or 0.5" ). For users who are not interested in trials
Close and relaunch the software to ensure all contextual menus and toolbars initialize properly. How to Use Round Corner in SketchUp
The version currently supported and updated by Fredo6, v3.4a (which is compatible with SketchUp 2017 and up), is . It is a paid license. However, it does offer:
The extension for SketchUp solves this problem instantly by rounding 3D edges and corners. This comprehensive guide will show you how to download, install, and master this essential plugin for free. What is the Round Corner Extension?
The for SketchUp (developed by Fredo6) is one of the most critical plugins for any 3D modeler looking to transition from hard, unnatural digital objects to hyper-realistic renders. While the extension can be downloaded for free to start a trial via the SketchUcation PluginStore , it is important to know that it relies on a paid perpetual license ($15 for 3 seats) after its 30-day trial period.