The above is the rendering of my acrylic stacking, it looks good. But you need to buy a 15mm encoder, otherwise the light under the knob will be exposed. If it is well designed, you can also add a uniform light plate for better effect. Firmware key setting:
long press the number 7 to switch to the letter layer, long press the number 8 to switch to the bottom light layer, long press the number 9 to switch to the axis light layer. If you have the ability, you can change the firmware yourself. This is what I'm currently using.
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