I learned the hard way that 304 stainless steel barely interacts with magnets, but I liked how these keycaps turned out enough to build a Reviung34 Split with them. #mechanicalkeyboard #keycaps
If for some reason you want to make your own, I put the keycap designs on Printables: https://www.printables.com/model/1163969-metal-plate-keycaps
And here are the specific metal discs I got from Amazon: https://www.amazon.com/dp/B0BVBJMD3P?ref=ppx_yo2ov_dt_b_fed_asin_title