Plug the Feather RP2040 DVI and the FeatherWing Proto into a FeatherWing Doubler.

Insert the potentiometers into the four mounting holes. Secure them with the included nut.

Insert an M2.5 stand-off and M2.5 spacer into all four of the mounting holes on the FeatherWing Proto and the two mounting holes on the USB side of the Feather RP2040 DVI.

Attach the top piece of acrylic to the stand-offs with M2.5 screws.

Add M2.5 stand-offs to the M2.5 spacers via the bottom of the FeatherWing Doubler.

Attach the bottom piece of acrylic to the stand-offs with M2.5 screws.

Add some potentiometer knobs to the four potentiometers.