Previously I made a module that you could use to perforate different shaped holes in a tube to make an interesting design, these used dxf files or an stl file:
Since it's so easy to use Inkscape to make an svg file for this I made a few simple changes to my existing code so I could use an svg also.
Here is the updated code:
I also added a check box so you can see where the holes line up on the tube if you want to make it have different shapes: