Cover with "Palm" logo and slots for SD cards. I made it in FreeCad for myself, and shared for everyone, who can't upgrade their old Palm to any today's device.
Part C is a little critical. It was test of my early printing skills.
I prefer transparent SD card holder.
about 20cm's of wire through all parts [ D - C-B-C - D(2nd)- main-B-main - D ] :)
glue for SD card holder