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FredoCorner    v2.6a

  • Overview
  • Quick Start
  • Documentation
  • Release Notes

Overview of FredoCorner

  • Sketchup version: SU2017 and above
  • Platform: Windows and Mac OSX
  • LibFredo6: v13.6a or above
  • Sketchucation ExtensionStore: v4.2.9 or above
  • Usage: Paid, Licensed under Sketchucation SCFLicense
    • Free Trial period (full features): 15 days from activation
    • Perpetual license (3 seats): $25 (~22€)
    • Rush license (3 seats, valid 21 days from purchase date): $8 (~7€)
    • Information on licensing extensions at Sketchucation: this post

To purchase a license of FredoCorner, go to this page

FredoCorner performs the rounding of the edges and corners of 3D shapes along a 2D profile, in 4 modes: Round, Bevel, Subdivision Mesh and Chop Corner. FredoCorner also includes a Repair tool to undo any generated shape rounding.

FredoCorner does not replace my previous plugin RoundCorner, which will remain supported separately. FredoCorner will become a paid plugin is a few months. It is Free for the time being.

Compared with RoundCorner, FredoCorner is based on a different algorithm and includes additional features, in particular:

  • Handle more complex shapes, with triangulation at vertices
  • Subdivision mesh
  • Repair / Undo / redo
  • Preview mode
  • Asymmetrical offset
  • Variable offset along borders
  • Round or bevel corners only
  • Works across boundaries of groups and Components
  • Corners are symmetrical
  • Editable corner profiles with Squircles and Bezier
  • Two Offset modes: Offset (measured along faces) and Radius (tangent circle)
  • More types of corner geometries are supported

Here is a video by Aaron, member of the Sketchup team, introducing the main features.

There are also two good introduction videos by TheSketchupEssentials (Justin Geis)

Discussion forum

Links to Sketchucation Forum: Main Post   Latest Release

Installation of FredoCorner

IMPORTANT: Make sure that you have first installed LibFredo6.

FredoCorner is released as a regular RBZ extension file on the Sketchucation Site.

To download the RBZ file, use the red button on the right side of this page:

  •  Download  If your are already logged in.
  •  Log in to get it!  otherwise, in order to log in or to register to Sketchucation as a new user (this is FREE). Then you will be able to download the RBZ file.

Then, you can install the RBZ file from within Sketchup, via the Sketchup Extension Manager

If you are not familiar with the installation of Sketchup extensions and Sketchucation, it is advised to watch the video LibFredo6 installation.

IMPORTANT: Whatever way you choose, you MUST quit and restart Sketchup to get FredoCorner (and LibFredo6) properly loaded.

After the installation, you should have the following footprint in the Sketchup Plugins directory:

  • Language: English, French, Spanish partial (byOxer) , Chinese partial (by Arc) - thanks to all kind translators
  • Menus: by default, it is installed in Tools > Fredo6 Collection > FredoCorner...
  • Icon toolbar: FredoCorner

Permission to use this software for any purpose, subject to license, is hereby granted

Distribution of this software for any purpose is subject to:

  - the expressed, written consent of the author

  - the inclusion of the present copyright notice in all copies.

Overview of the User Interface

Here is an introduction to the User Interface of FredoCorner, in particular:

  • the Button Palette
  • the Selection of edges
  • the Preview mode
  • the Generation of the final geometry

Some element of the user interface (Profile editor, Repair, Variable offset) will be documented in separate videos.

Working across the boundary of Components and Groups

FredoCorner works across the boundaries of Groups and Components at any level. The offset is however always specified in top-level model coordinates. So, this imposes to take a few precautions when you have several instances of components.

Chop Corner

This tool, introduced with FredoCorner 1.3, performs the rounding or beveling of corners only.

there is also a short video by TutorialsUp

Offset Mode

As of FredoCorner 1.2, two offset modes are supported:

1) OFFSET: offset is measured on border faces, perpendicularly. This gives a global uniform rounding of shapes

2) RADIUS: offset is computed based on a circle of specified radius which is tangent to the border faces. The offset is therefore dependent on the angle at each individual edges. If the angle is lower than 90 degrees, the rounding will appear larger in width, or smaller if the angle is greater than 90 degrees. Visually, the rounding of a shape may end up with non uniform rounding.

Variable Offsets

FredoCorner supports 2 modes for variable offsets, that is the capability to assign to borders different offsets

  • Border offset: change of the offset along a border, creating asymmetrical rounding
  • Corner offset: change of the offset at a corner, creating non uniform rounding along a border

Variable offsets can be edited interactively in Selection mode and in Preview mode

NO documentation at the moment. This will come!

Links to Sketchucation Forum: Main Post   Latest Release

Release History

FredoCorner 2.6a - 25 Dec 22: Suppression of date of validity

FredoCorner 2.5a - 16 Jan 22: Technical adjutsments and extension of validity

FredoCorner 2.4a - 28 May 21: Technical adjutsments and extension of validity

FredoCorner 2.3a - 27 Jan 21: Move to license scheme

FredoCorner 2.2a - 06 Jan 21: Extension of validity

FredoCorner 2.1b - 02 Dec 20: Prevents to set the number of segments to 0

FredoCorner 2.1a - 19 Nov 20: Fixed bugs in Orbit/Pan (Windows) and extension of validity

FredoCorner 2.0a - 19 Aug 20: Improvement to Orbit/Pan (Windows) and extension of validity

FredoCorner 1.9a - 19 Jun 20: Fix bug in Repair::Edit and single click for Exit

FredoCorner 1.8b - 28 May 20: Cosmetic adjustments (edge debugging colors)

FredoCorner 1.8a - 26 Apr 20: Correction for bevel and single mode

FredoCorner 1.7d - 18 Feb 20: extension of validity

FredoCorner 1.7c - 21 Dec 19: extension of validity

FredoCorner 1.7b - 02 Nov 19: bug fixing

FredoCorner 1.7a - 20 Jun 19: Extends validity + etm

FredoCorner 1.6c - 20 Jun 19: Extends validity

FredoCorner 1.6b - 18 Apr 19: Fix bugs and extend validity

FredoCorner 1.6a - 20 Feb 19: Fix debugging limitations in Catena computations

FredoCorner 1.5c - 14 Feb 19: Fix a bug when pre-selecting multiple groups, among which some are freshly copied

FredoCorner 1.5b - 10 Jan 19: Bug fixing and Extension of validity

FredoCorner 1.5a - 18 Dec 18: Extension of validity

FredoCorner 1.4c - 31 Oct 18: Various bug fixing

FredoCorner 1.4b - 31 Oct 18: Bug fixing for Variable Offset editors over 1.4a

FredoCorner 1.4a - 30 Oct 18: Evolution for Variable Offset editors

FredoCorner 1.3b - 24 Oct 18: Bug fixing and adjustments for Chop Corner tool (auto-limit)

FredoCorner 1.3a - 22 Oct 18: Introduces Chop Corner tool + bug fixing

FredoCorner 1.2b - 15 Oct 18: Fixes for Radius offset mode and circle

FredoCorner 1.2a - 14 Oct 18: Introduction of Offset modes

FredoCorner 1.1f - 10 Oct 18: Various bug fixing and GUI adjustments

FredoCorner 1.1e - 23 Sep 18: Bug fixing (variator)

FredoCorner 1.1d - 19 Sep 18: Bug fixing + Full Spanish translation (by Oxer) + Full Chinese (by Arc)

FredoCorner 1.1c - 11 Sep 18: Bug fixing + Full French translation + Partial Chinese (by Arc)

FredoCorner 1.1b - 08 Sep 18: Fix for Orbit Mac, Spanish translation, and Default for Repair Double-click

FredoCorner 1.1a - 06 Sep 18: First public release