Instead of paying $30 for a tip-out tray kit from Rev-A-shelf, buy the hinges for $10: https://amzn.to/44HYxUg and 3D-print these trays for ~$2-3 in filament. The trays are 250mm x 50mm and 100mm tall which should fit most cabinets. Mounts with two screws and an optional piece of double-sided tape.
The author marked this model as their own original creation.