Rack mount for Topton N100 i226-V Mini PC that takes only single 1U.

One original bottom screw replaced with M3x40mm. Holds device in place. Printed from ABS with 0.2mm layer, 40% infill, 4 perimeters, 5 top/bottom layers. Mirror in slicer if you want to mount on the left rack side.

Design source files attached (Fusion 360 and step).

My unit (choose correct model!) is from https://pl.aliexpress.com/item/1005004360072281.html