Prusa i3 Remix Multi-Hotend Mount

I liked aaroncm's minimal/simple hotend mount, I had been using it for a while.
But I want to use two hotends on it, so I measured the original model and got it close to the original in OpenSCAD.

Everything is square in my scad because I don't know how to make rounded shapes that won't deform their original size in OpenSCAD.

I designed this so the values are all in variables that someone can change.
There is also a setting to specify how many hotends you want. I only needed two, but it w