I recently mounted my Switch dock behind my tv and wanted a more convenient way to store my joy con rails since I only ever use them when my switch is docked and I'm playing multiplayer games that require the joy cons like Mario Party. This was my idea, mount them next to my switch and only pull them out when needed. I made the screw holes by measuring the screws I used to mount my switch dock, tried to make them a little recessed so the screws would not interfere with the rail sliding on. I put them on top to try to avoid needing to use supports when printing upright, might need some tree supports for the screw holes themselves but I am going