Nerf Feet

I originally was going to print some of [these](https://www.thingiverse.com/thing:4725817/), but felt that the way they would sit in the rail was putting all the weight of the printer in to the arms of the model and not directly down in to the structurally sound part. So I first made a set of rival-h16-w26-1x-center-clip (that honestly ended up nearly being a clone) and put them on my printer. I later looked at my printer and though that it would look nicer if they were more square, so I whipped up a bunch of cartridge-style holders for two, three, and four balls. I didn't have any Rival balls and I couldn't find any data on their Shore durometer rating so I had no idea how much they'd squish and how many I would need. Maybe your printer is really heavy and you need a lot of them? I dunno, it was simple enough to make extended variants.

The next day I found out I couldn't find the Rival balls anywhere around me, but I did find something I didn't even know existed, the Nerf Hyper bal