DIY blank panels for eurorack modules
Here you will find some resources and useful information about DIY eurorack modular synthesizer modules.
If you want to make your own blank panels for laser / CNC cutting you can use this practical plugin for inkscape that will greatly simplify the drawing of your panel for any dimension.
installation and instructions
http://syinsi.com/eurorack-panel-designer-for-inkscape/
it is based on the Doepfer standard