Multiboard Multipurpose Holder - 3-20mm Hole

I really liked the design and style of the HSW Multi-purpose Holder, but I use multiboard, so I recreated it for myself. Right now I have 3-17mm, but will work on adding the larger sizes too. The 3-20mm fit in the space of a single multiboard tile, so they fit perfectly side-by-side. To get the connections I like, I have 2 versions. The first uses my Snap Anywhere Connector so that I can make a full sized Octagon for the back face, the other uses the large bolt. The Bolt is shortened from the or