I set up my warehouse frame for desk organization, but due to a height limitation I needed a shorter way to mount another tier of shelving. So, I chopped a vertical stand under the first connection point and put in a new one. Since I intended this piece to be permanent and also got lazy in Autodesk, I designed the stand and modified horizontal beam (included) to fix in place with a piece of 1.5mm rebar wire as a crosspin. Other options, such as a McMaster-Carr 91595A008 dowel pin, or a toothpick, should also work just fine. I should have added enough slack in the pinway to avoid being too tight or loose with most printers, but please leave a comment if the fit is bad.

Also included is a small piece with two hooks and a loop that will pin into a topper instead of beams, because I wanted somewhere to hang my glasses.

This should be fully compatible with anything meant to sit on top of Mini Warehouse beams and seat firmly in the standard vertical couplers.