2x4 Light Switch Key Hook+Bill Box
thingiverse
A simple key hook that can attach to your light switch without drilling any holes, perfect for anyone here who doesn't want to mess up their walls! This is ideal for your main doorway light switch, so you won't forget any keys before leaving the house. Plus a bonus: a bill box that's perfectly suited for temporarily storing an electric or water bill, or even small letters. You'll never have to worry about losing bills around the house when you need them! You'll need to print the two parts separately. If inserting the two parts together is too difficult, consider scaling down P1 to 99%. However, if it's too loose, try going with 101%. Modified from https://www.thingiverse.com/thing:4017437 Revision 4 includes a latch on P1 for a bill box and added a bill box. Please note that printing the P2 part like I did in the last picture will help avoid supports.
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