From the Loftsmith community

Swing-arm keyboard holder (75%)

Gives a 75% keyboard a tray of its own, so it can sit under the desk and swing out when you need to type. The base has slotted vents on both sides and a cut-out for the cable to leave through. Set the keyboard width and depth to match yours.

4 parts · 231 g · 350 × 155 × 70 mm