rattleCAD is free and a openSource software project. rattleCAD supports bespoked bicycle frame builders with a fully parametric bicycle model inside. rattleCAD guides you through the design process by configure the base geometry before refining the bicycle frame itself.
http://rattlecad.sourceforge.net

Installing Tcl / Tk on Linux

Though there are lots of ways to install Tk, the easiest is to download and install one of the versions provided by ActiveState (www.activestate.com).

  • Install ActiveTcl :
    The “ActiveTcl” distribution from ActiveState contains the latest Tk, as well as the latest version of Tcl

Unpack it, and run the installer (install.sh), and follow along. You’ll end up with a fresh install of ActiveTcl, located in /opt/ActiveTcl-8.x.

Download rattleCAD 3.4.x.x (OS independent starkit): rattleCAD_3.4.04.22.kit
Latest https://sourceforge.net/projects/rattlecad/files/
http://rattlecad.sourceforge.net/downloads.html

Run rattleCAD :

$ tclsh  rattleCAD_3.4.04.22.kit

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