Slot Wall

Last night I came across Eric Schleicher's design for a CNC-routable plywood slot wall system, and I loved it! The photograph is of his wall.

There was just one problem... I am on a Mac, and his design files were made using SolveSpace, which doesn't seem to be compilable for OS X 10.14 at the moment. So, I rewrote my own version of the wall in OpenSCAD.

You can look up his version of the wall here:
https://obrary.com/collections/designs-for-the-cnc-router/products/slot-wall

I have made a few changes:

* I turned the dogbone corner pockets into t-bone corner pockets, as I like the look of them better and it'll provide more surface area contact between the hooks and the slot edge.
* I have no idea what the original dimensions of his slots are, so I made mine 2 inches high by the width of the material plus a small tolerance to allow for seasonal wood expansion. We'll see if that ends up being a good size for a slot!
* I set the spacing such that a maximum amount of a 2x2