Pictures are from version 1 which did not have start and select buttons.

Top is angled towards player

Works great with Street Fighter, Tekken, etc.

Parts used

I used zero delay arcade usb controller board from Ali but you can use other arcade controller board aswell.

10x Cherry mx switches and keycaps

1x Usb c female port if you want detachable cord

1x Arcade joystic

4x M4 bolts and nuts

4x Small screws for bottom piece

wire

Tools needed

Soldering station

Screwdriver

Glue if you use usb c port

Installation

Solder wires to Cherry key switches and attach them to controller board.

Solder wires to arcade stick or use breadboard dupont wires like i did.

Solder usb c port to controller board or use cable that comes with the board.

Steam should recognice the controller right away.