Parametric toothbrush holder

I have a number of kids. They, in turn, each have a number of toothbrushes, and they tend to forget which one was theirs. Bathroom chaos and war seemed inevitable, and the scent of mint didn't really add to the experience. But then there was hope:

The parametric toothbrush holder, made in openSCAD.

The v-shape in the slots help keep all toothbrushes in place and faced forward. A slot of abt 8-8.5 mm works for most common toothbrushes as well as electrical ones, like Oral-B on the picture