2040 - 90 degree Corner

thingiverse

I needed a basic yet robust small shelf for my Macbook, to be mounted on the wall behind a screen. I designed this end stop for 2020 aluminum bars, making it easy to attach to the wall. This is also required: https://www.thingiverse.com/thing:2499914 I also used https://www.thingiverse.com/thing:59398 for my shelf. Here's what you'll need: M5 bolts and square nuts are a must. Two 20 cm - 2020 Aluminium extrusions will do the trick. Two 24 cm - 2040 Aluminium extrusions are also necessary. One 20 cm - 2040 Aluminium extrusion completes the job.