Parametric Peas in a Pod

Today (July 20) is Gregor Mendel's birthday. Since RepRap's are named after biologists and my current RepRap is a of a Mendel it seemed appropriate to print something like this to celebrate the day and my machines namesake.

I don't know if this is printable or not. I've never used OpenSCAD before but I've been programming for 20 years and it looks pretty simple. I used up my lunch hour making this but my 3D printer is still in the construction phase so I can't try it out myself. I hope pe