Contribute to rattleCAD

rattleCAD is a bicycle design software developed by Manfred Rosenberger

Want to discuss on rattleCAD?

Join the rattleCAD Open Discussion and meet users from all over the world!

Want to donate?

... rattleCAD ist free and you do not have to pay for it. rattleCAD should help to save your time when you are designing your new bicycle. Please consider that there is a lot of work in this piece of software that supports you in your design process and in bicycle geometry investigations.
So feel free to say thank you to the programmer and donate to the project.


Found a bug?

Please report to rattleCAD tickets!

Interested in contribution?

Please write a short post about your potential contribution in the rattleCAD forums. Contribution is always welcome!

Have you already forked rattleCAD?

Please leave a message as well in the rattleCAD forums. I'm curious on your usecases and changes.


Web-git: ... link to git-repository