Custom register panel switch I built for an accordion I was repairing. I could not find anything like it on the web. Please edit it to fit your specific needs. PLA+ might be too soft a material for this. So far I haven't heard of any warpage or parts breaking. The register symbols would look good with multicolor if you have it. I used hot glue to attach the switch assembly to the grill. It has good grip but can be removed with some force with minimal damage to the accordion grill if the switch needs to be removed.