The Spiro plugin can be used with AutoCAD to create Spirograph (TM)-like patterns. Turn your AutoCAD-based product into an educational toy that will provide hours of fun for the whole family!

This plugin was first published as an ADN Plugin of the Month: http://labs.autodesk.com/utilities/ADN_plugins. The plugin has been provided with the complete source code needed to build the application, with the intention of encouraging users of Autodesk software to use programming to tailor the products they use to their specific business needs.

More information regarding this plugin can also be found on Kean Walmsley's blog about AutoCAD programming, Through the Interface: http://blogs.autodesk.com/through-the-interface.

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A variety of polylines created with the Spiro plugin in AutoCAD.
A variety of polylines created with the Spiro plugin in AutoCAD.
Download Details
Download Size: 
1.35 MB
Compatible with: 
AutoCAD 2012
Release Date: 
Nov 25,2011
Customer Support: 
Experience Level: 

spiro's plines too much for my system


just tried spiro. great fun, but when i hoverd over one of it's polylines autocad just froze . Quick properties to blame ? In a second try i launched the properties palette first , selected the pline, saw a zillion grips and everything locked up....will remove app
system: winXP , 2GB, had only Outlook (and Acad) running

Fun app


All the fun of Spiro without worrying about the pen slipping. Thanks Kean, technology is wonderful :)

Great Tool


Thanks Kean :)