This simple PCB is useful to distribute power to tools and accessories of 3D printer.
You can use 2 Sliding Nut for 20×20 mm extruded aluminium profiles to mount it to the chassis.
GitHub Repository
https://github.com/siddolo/3d-printer-power-distribution-board
https://github.com/siddolo/3d-printable-models/tree/master/sliding-nuts