The RoundCorner extension by Fredo6 is a highly popular tool for SketchUp that automates the process of rounding off and beveling edges and corners of 3D shapes. It is widely used to add realism to models, as perfectly sharp edges rarely exist in the real world. Key Features
Three Processing Modes: Includes Round Corners, Sharp Corners, and Bevel tools to create different edge finishes.
Complex Geometry Support: Handles concave corners and non-orthogonal edge faces, and can process corners with two, three, or more edges.
Adjustable Segments: Users can set the number of segments for the rounding curve to control the smoothness and complexity of the geometry.
2D Profiles: Performs rounding along a 2D profile for consistent results across a 3D shape. Download and Prerequisites
The official and most reliable source for the extension is the SketchUcation PluginStore. While the download is free, it requires a free account on the SketchUcation platform.
Important Requirement: You must install the LibFredo6 shared library (version 14.3 or above) before installing RoundCorner, or the extension will not function. It is also recommended to use the SketchUcation ExtensionStore tool for easier automatic installation and updates. Installation Guide RoundCorner
RoundCorner extension for SketchUp by Fredo6 is a standard tool for rounding and beveling edges and corners of 3D shapes. While it was historically free, it has transitioned to a paid model with a 30-day free trial SketchUcation Download and Installation
To download the extension, you must register for a free account on the SketchUcation PluginStore Installing RoundCorner Extension - SketchUp Forum
If you're looking to take your SketchUp models from "blocky" to "pro," the RoundCorner extension by Fredo6 is the gold standard. It allows you to fillet and chamfer 3D shapes easily, adding that realistic touch of soft edges. 🚀 Top Features Round Corner: Creates smooth, rounded edges and corners. Sharp Corner: Fillets edges while keeping corners pointed. Bevel: Adds a flat chamfer to edges. Non-Destructive: Preview your offsets before committing. 📥 How to Download & Install
To get RoundCorner working, you need two specific files from Sketchucation.
LibFredo6: This is the shared library required for all Fredo6 plugins. RoundCorner Extension: The actual toolset. Step-by-Step Installation: Sign up for a free account at Sketchucation.com. Download the LibFredo6 and RoundCorner .rbz files. Open SketchUp. Go to Extensions > Extension Manager.
Click Install Extension and select the .rbz files one by one. Restart SketchUp to activate the toolbars. 💡 Important Note on Licensing Round Corner Extension Sketchup Free Download
While the download is free to try, Fredo6 recently moved to a paid license model for his most popular plugins after a trial period.
Most users find the small one-time fee worth it for the time saved.
Ensure your Sketchucation Extension Store plugin is up to date to manage the license.
If you're having trouble getting it to show up, let me know:
Which version of SketchUp are you using (Make, Pro, or iPad)? Did you get an error message during installation? AI responses may include mistakes. Learn more
Round Corner Extension for SketchUp: Free Download & Full Guide RoundCorner extension
by Fredo6 is an essential tool for SketchUp users looking to move beyond sharp, unrealistic edges
. While it was historically a free plugin, it has transitioned to a paid model for modern versions of SketchUp, though a free trial is available. Where to Download RoundCorner Safely
To ensure you are downloading a secure and compatible version, use these official repositories: SketchUcation PluginStore
: The primary home for Fredo6's work. You must register for a free account to download the SketchUp Extension Warehouse
: The official built-in store within SketchUp where you can also find the plugin and its requirements. Essential Requirements for Installation RoundCorner will not work as a standalone file. You install the support library to activate its features:
RoundCorner extension by Fredo6 is one of the most popular tools for adding realistic rounded edges and bevels to 3D models. The RoundCorner extension by Fredo6 is a highly
While the extension itself is free to download, it currently operates under a 30-day free trial
model, after which a paid license is required for continued use Official Download & Installation
To use RoundCorner, you must download two specific components from the SketchUcation PluginStore RoundCorner Extension : The main tool for rounding, sharp corners, and beveling.
(Shared Library): A mandatory dependency for all Fredo6 extensions. Ensure you have version v14.3 or above SketchUcation ExtensionStore
: This tool is required to manage the licensing and installation of Fredo6's plugins. Installation Steps: Register for a free account at SketchUcation Download the files for both RoundCorner and LibFredo6. In SketchUp, go to Window > Extension Manager Install Extension to select and upload your downloaded files. Key Features Three Modes
: Round corners (smooth curves), Sharp corners (point-terminated edges), and Bevel (simple chamfers). Edge Selection
: Pre-select faces or edges, or select them interactively using the plugin's palette. Customization : Adjust the (radius) and the number of
to control the smoothness of the curve directly from the on-screen menu. Compatibility
: Works with SketchUp 2017 and above on both Windows and macOS. Licensing & Pricing RoundCorner
Introduction
SketchUp is a popular 3D modeling software used by architects, interior designers, and product designers. One of the most useful extensions in SketchUp is the Round Corner extension, which allows users to create rounded corners and edges on their models. In this paper, we will discuss the benefits of using the Round Corner extension in SketchUp and provide a step-by-step guide on how to download and install it for free.
Benefits of Round Corner Extension in SketchUp Improved model accuracy : With the Round Corner
The Round Corner extension is a powerful tool that can enhance your SketchUp modeling experience. Here are some benefits of using this extension:
Downloading and Installing Round Corner Extension in SketchUp
To download and install the Round Corner extension in SketchUp, follow these steps:
Alternative Method: Free Download from SketchUp Extension Website
If you prefer to download the extension from the SketchUp extension website, follow these steps:
Using the Round Corner Extension in SketchUp
Once you have installed the Round Corner extension, you can access it from the "Tools" menu in SketchUp. Here's how to use the extension:
Conclusion
The Round Corner extension is a valuable tool for SketchUp users who want to create precise and visually appealing models. With this extension, you can create rounded corners and edges on your models with ease. By following the steps outlined in this paper, you can download and install the Round Corner extension for free and start using it to enhance your SketchUp modeling experience.
Window → Extension Warehouse.Round Corner Fredo6.LibFredo6.The only recommended sources for free, safe, and up-to-date downloads are:
| 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.
The extension creates clean geometry. Unlike manual erasing, which often leaves stray lines or breaks faces, the plugin generates smooth arcs that integrate perfectly with your existing model.