A 2x10 LEGO compatible plate with 3 cutouts for Cherry MX Switches. You'll need keycaps that are not too much wider than the switch itself, due to non-standard spacing between the switches and boundaries of the lego plate (I used these ones from @Af76_115284). The hold on the switches is also not the strongest, but it's not the worst.
Thanks to @Snity for the LEGO compatible plate model, and to @thirddimensionlabs who made a key switch fidget model that I used to get the measurements for the switch cutouts.
This model is not affiliated with, endorsed by, or sponsored by The Lego Group. All trademarks and brand names belong to their respective owners.
The author remixed this model.
Added Cherry MX Switch cutouts