Custom Diamondplate openscad *UPDATED* again

UPDATED 2.0 ( I corrected instructions and added mod to make ovals shapes as well.)

I love the design and texture of Diamondplate. So I made a custom generator for just that. I've printed it for resurfacing boxes, Coasters for the home, replacement emblem for my car. replacement tread on my steps, I put them in the bottom of the cupholders in my car.

The Possibilities are endless...with a few keystrokes you can customize you own size and shapes for whatever.

I know there's probably a