Voronoi Sketch Generator Script for Autodesk Fusion 360
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README.md

Fusion360Voronoi Fusion360Voronoi

This script is used for generating voronoi sketches in Autodesk Fusion 360. Once created, these sketches may then be used for creating or modifying models.

JavaScript Add-In Support in Fusion 360

Note that JavaScript development (editing/debugging) is no longer supported within Fusion 360. But existing JavaScript add-ins, such as Voronoi can still be installed and run.

More information here:

https://forums.autodesk.com/t5/fusion-360-api-and-scripts/image-2-surface-script-for-fusion-360/m-p/7324273#M4403

Image of Voronoi Table

Image of Voronoi 128 Cell Sample

Installation

Please follow the instructions here:

https://knowledge.autodesk.com/support/fusion-360/troubleshooting/caas/sfdcarticles/sfdcarticles/How-to-install-an-ADD-IN-and-Script-in-Fusion-360.html

Note, you can still add scripts implemented in JavaScript.

Usage

  1. Run the "Voronoi" script from the Script Manager
  2. The settings dialog will be shown. Adjust to your preferences:

Image of Voronoi Settings

  • Edge Style: Straight or Curved edges
  • Number of Cells (2-256) : Number of cells created in the sketch
  • Pattern width : Width of the area filled with cells
  • Pattern height : Height of the area filled with cells
  • % to scale cells (10-100) : Percentage to scale down each of the cells
  1. Click OK to generate the sketch

Note that a large number (> 128) of cells may take a while to generate (sometimes several minutes).

Once the voronoi sketch is created I will usually project the geometry onto a surface and then modify from there. Note that projecting onto a curved surface will not work at this time. In this case I'll use push/pull on the voronoi geometry to modify existing models. The image above was created using this method and a 128 cell voronoi pattern.

Examples

Examples posted on my Fusion 360 project gallery.

Image of Voronoi 256 Cell Sample

Image of Voronoi 256 Cell Sample

Issues

  • One cell may not be filled after generation. Adjusting a control point then forces it to fill.
  • It's not possible to adjust the spline's knots and strengths therefore the curves don't conform as close as they should. The "% Scale Cell" value is a workaround for this. Scaling down the cells reduces the possible overlap of the cells.

Credits

This code makes use of the Raymond Hill's well done Javascript-Voronoi code: https://github.com/gorhill/Javascript-Voronoi