Yet Another Pencil Cup

I needed one or more small tool holders on my workbench. A pencil cup seemed to fit the bill, but most of what I found for sale was too large in one dimension or another, and often came in larger sets than I was interested in. I found a number of interesting designs here on Thingiverse, but the one that ultimately caught my eye turned out to be too complex to print in a reasonable amount of time.

So of course I thought, "I can design something!" and this is the result.

It's crude, it doesn't taper, but it does have holes in it to reduce the amount of material needed.

**A word of warning, be wary of small values for `hole_spacing`, they can result in the nozzle knocking over the dividers between the holes when it starts to print the next complete ring.** The current value of `0.625` was my compromise of "this rarely is a problem on my printer, while still looking nice"