Customizable Bin for Part Storage & Picking

I'm addressing three issues at once here:
- A lot of cardboard going to recycling
- A lot of storage problems at my hack space.
- A need for laser training test file that makes something useful.
I based this design on cardboard stackable picking bins I've seen in warehouses.

##New hotness##

[Parametric design here](https://www.marginallyclever.com/other/build-a-bin.html). type in your dimensions, save the DXF file, cut and fold. One layer is for creases, one for cuts, and