Voronoi toothbrush holder

Goal was to a) experiment with the Voronoi style of 3D modeling and b) create a toothbrush holder that would actually come clean.

I've marked it as a "work in progress" not because I plan to develop it further but because...
* the model files are too short; I scaled it in the Z axis in the slicer to about 110mm, near the limit of my Monoprice Select Mini
* if you have toothbrushes with very wide handles/grips, you may need to enlarge the holes
* The file names made sense at the time but mi