This replaces the entire Banapassport card reader and its bracket with a shell and panel for extra buttons. The panel fits pretty snug inside the shell, but you may want to glue it in place.

I've got a few different panel options included. 4x24mm buttons, 2x24mm with square USB ports, and 2x24mm with round USB ports. I'm happy to take any suggestions for different panel layouts.
I printed it on a Prusa MK3S+ using PETG and the 0.3mm DRAFT settings.
Here's some of the design iterations I went through for anyone interested. First I started with a single piece and 30mm buttons. Shrank it down to 24. Then when I started adding details there was no good flat surface to print without supports, so I split it into the current 2 piece. Then I added all the details with rounded edges and mounting holes. I also thickened up the panel from 1mm to 3mm since it was pretty flexible with PET.



I've got a few different panel options included. 4x24mm buttons, 2x24mm with square USB ports, and 2x24mm with round USB ports. I'm happy to take any suggestions for different panel layouts.
I printed it on a Prusa MK3S+ using PETG and the 0.3mm DRAFT settings.
Here's some of the design iterations I went through for anyone interested. First I started with a single piece and 30mm buttons. Shrank it down to 24. Then when I started adding details there was no good flat surface to print without supports, so I split it into the current 2 piece. Then I added all the details with rounded edges and mounting holes. I also thickened up the panel from 1mm to 3mm since it was pretty flexible with PET.





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