Rob's Parametric Modular Object Riser / Stand / Support

I needed some monitor stands to get my screens aligned, but I didn't want to waste lots of filament making big parts and then finding I had mis-measured or had a printer malfunction. I looked at many designs on Thingiverse and my result is clearly similar to [lookitsz' Monitor Stand](https://www.thingiverse.com/thing:2758511), but what I came up with is more like a set of blocks and bridges to link them together.

The STL files are really just examples unless you specifically need a stand lo