Round Corner Extension Sketchup Free Download May 2026

The Round Corner extension by ThomThom is available for free. SketchUp's Extension Warehouse hosts a wide range of extensions, many of which are free. Always check the details of the extension for any specific requirements or conditions.

Once installed, you will find the toolbar under the Tools menu or as a floating toolbar.

Pro Tip: Always make your object a "Group" or "Component" before applying the rounding. This prevents the new geometry from sticking to other objects in your model. Round Corner Extension Sketchup Free Download

Many users seeking a "free download" end up on Russian or cracked software forums. We strongly advise against this.

The only recommended sources for free, safe, and up-to-date downloads are: The Round Corner extension by ThomThom is available for free

| Source | URL / Platform | Notes | |--------|----------------|-------| | SketchUp Extension Warehouse | Inside SketchUp → Window → Extension Warehouse | Search “Round Corner by Fredo6” | | Sketchucation (official forum & plugin store) | https://sketchucation.com/plugin/2128-roundcorner | Free registration may be required | | Fredo6’s GitHub | https://github.com/Fredo6/ | Source code & latest releases |

Do not download from “free sketchup extensions download” aggregator sites (e.g., sketchup4download.com, cgtips, etc.), as they often host outdated or malicious versions. Pro Tip: Always make your object a "Group"

TIG is another giant in the free plugin world. His tools allow for "Extrude Edges by Rails" which can simulate a rounded corner if you use a quarter-circle profile. Search for "TIG Weld" and "Extrude Tools" on SketchUcation.

Fredo6 distributes Round Corner as freeware but retains copyright. You are encouraged to donate via Sketchucation if you use it professionally. Redistributing the extension for a fee or repackaging it without credit violates the license terms.