Round Corner Extension Sketchup Free 2021 Download May 2026

RoundCorner extension by Fredo6 is one of the most popular tools for rounding edges in SketchUp. While it was originally free, it has transitioned to a paid model for newer versions (SketchUp 2017 and above). SketchUp Community 1. Download and Licensing You can find the official download on the Sketchucation PluginStore SketchUp Extension Warehouse Free Trial: 30-day free trial with full features is available. Paid License: A perpetual license for 3 seats is typically around Prerequisites: also install the shared library for the extension to function. 2. How to Install Create a free account on Sketchucation to access the download buttons. file for both RoundCorner Install in SketchUp: Open SketchUp and go to Extensions > Extension Manager Install Extension and select your downloaded Restart SketchUp to initialize the new tools. 3. Basic Usage Steps

The RoundCorner extension for SketchUp, developed by Fredo6, is an essential tool for 3D modelers looking to add realism to their designs by softening sharp edges. While historically free, the extension now operates under a paid licensing model with a free trial period. Why Use the RoundCorner Extension?

Native SketchUp tools like "Follow Me" can create rounded edges, but they are often time-consuming and struggle with complex intersections. RoundCorner automates this process, offering three primary modes:

Round Corners: Creates smooth, curved transitions between faces.

Sharp Corners: Rounds edges but maintains a sharp point where multiple corners meet. Round Corner Extension Sketchup Free Download

Bevel Corners: Creates flat, angled chamfers instead of curves. Download and Installation Guide

To get started with RoundCorner, follow these steps to ensure a successful installation: Installing RoundCorner Extension - SketchUp Forum

Native Workaround in SketchUp Free:

Use the Arc and Follow Me tools to manually create rounded corners.
Or use the 2D Fillet feature in the built-in Sandbox or Solid Tools (limited).
Consider using 3D Arc + Push/Pull for simple bevels.

Round Corner Free Download

You can download the extension from the official SketchUcation Plugin Store or the SketchUp Extension Warehouse.

Important Note: This extension is developed by FredO6. While there are many free versions available, the RoundCorner extension by Fredo6 is one of the

Title: How to Get Round Corner for SketchUp Free (2026 Guide)

Meta Description: Want to smoothly round edges in SketchUp Free? While extensions aren't officially supported in the web version, here is exactly how to get similar results without paying a dime.

The Short Answer (No Clickbait)

If you are using SketchUp Free (Web) – the browser-based version – you cannot download or install "Round Corner" by Fredo6. The web version does not support third-party RBZ extensions. Native Workaround in SketchUp Free:

However, if you are using SketchUp Make 2017 (the last free desktop version), you can download the classic Round Corner script.

Let’s break down your two options.

If you actually have SketchUp Pro (desktop) and are looking for Round Corner:

Official download (free for personal/educational use):
Sketchucation Fredo6 Round Corner
(Requires free Sketchucation account + LibFredo6)
Direct download links are not provided by the developer outside Sketchucation — avoid third-party “free download” sites (malware risk).

2. What is the Round Corner Extension?

Developed by Fredo6, a renowned SketchUp extension author, Round Corner enables:

Rounding convex and concave edges.
Beveling with adjustable offset.
Chamfering with sharp or soft transitions.
Mesh smoothing after corner treatment.

It is part of Fredo6’s “FredoTools” suite but is also distributed as a standalone extension.