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FredoScale    v3.0a

  • Overview
  • Quick Start
  • Documentation
  • Release Notes

Overview of FredoScale

With FredoScale you can orientate the selection box around a set of objects and interactively apply a number of geometric transformations, such as Scaling, Tapering, Stretching, Planar Shear, Twisting, Bending and Rotation. By extension, some transformations can be performed without a selection box.

Discussion forum

Links to Sketchucation Forum: Main Post   Latest Release

Installation of FredoScale

IMPORTANT: Make sure that you have first installed LibFredo6 v7.6 or above.

FredoScale 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 FredoScale (and LibFredo6) properly loaded.

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

  • Sketchup versions: 6 and above (Free, Make and Pro) - certified for SU2017
  • Platform: Windows and Mac OSX
  • Language: English, French and partial in Spanish, German, Italian, Korean, Chinese, Japanese (thanks to the kind translators)
  • Menus: by default, it is installed in Tools > Fredo6 Collection > FredoScale…
  • Icon toolbar: NO Toolbar

Permission to use this software for any purpose and without fee 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.

Generic usage of FredoScale

Here is generic way to use the plugin for all tools:

  1. Select one or several objects (faces, edges, groups or components)
  2. Click on the icon of one tool, for instance Scaling
  3. You can orientate the selection box:
    • Arrow Up will align on model axes
    • Arrow Left and Arrow Right will cycle through axes of components at highest level
    • Arrow Down will restore the initial alignment when selecting
  4. Gently click and drag on the handles to perform the deformation. Toggle the CTRL key to perform the deformation from the center.
  5. You can type relevant values in the VCB or via a dialog box (TAB key)

For Twist and Bend, F4 toggles a Slicer on and off

For Stretch, F4 toggles a Divider on and off

It is a good idea to check the contextual menu to see available options, as well as to have a look at the PDF documentation.

Video with the Scale and Taper tools

Video with the other tools


Menu for FredoScale

By default, FredoScale menu entry is in Tools > Fredo6 Collection > FredoScale...

The documentation might be a little bit outdated, but gives you an idea of most features of Fredoscale for Free Scaling and Tapering: FredoScale User Manual - English - v2.5 - 01 Sep 13.pdf

FredoScale User Manual - French - v2.5 - 01 Sep 13.pdf


There is also a quite comprehensive tutorial on FredoScale by Tutorials Up

Links to Sketchucation Forum: Main Post   Latest Release


FredoScale 3.0a - 14 Jan 17: Maintenance release correcting problems introduced in v2.9b Here is the Start post for this release

FredoScale 2.9b - 02 Jan 17: Maintenance release (re-)fixing bugs in Radial Bend and Twist for SU2017 Here is the Start post for this release

FredoScale 2.9a - 24 Dec 16: Maintenance release fixing bugs in Radial Bend for SU2017 Here is the Start post for this release

FredoScale 2.8a - 13 Nov 15: Maintenance release Here is the Start post for this release

FredoScale 2.7a - 19 Oct 14: required for support of non-ascii username in SU14. Here is the Start post for this release

FredoScale 2.6b - 05 Feb 14: Fixes a bug on rounding improperly scale factors for Box target mode (signaled by JQL).

FredoScale 2.6a - 27 Nov 13: Release for future Sketchup compatibility

FredoScale 2.5b - 15 Sep 13: Small update fixing a problem preventing the language translation files to load. No functional changes Here is the release start post.

FredoScale 2.5a - 30 Aug 13: Technical update with new naming conventions to comply with Sketchup EWH and LibFredo6 5.2. No functional changes Here is the release start post.

FredoScale 2.4a - 22 Aug 13: Technical update with new naming conventions to comply with Sketchup EWH. No functional changes Here is the release start post.

FredoScale 2.2a - 24 Jul 11: small update to manage the display of handles when some dimensions of the box appear small on the screen (based on a request by Cunningham). Also, the Dice option (activated by F4) is active by default. See release note for details.

FredoScale 2.1a - 12 Jan 11: Technical update along with LibFredo6, with two-phase loading. No functional change, but it is advised to upgrade for support.

FredoScale 2.0i - 08 Apr 10: Same as 2.0h, but includes the Chinese translation.

FredoScale 2.0h - 26 Nov 09: Stable version