Placemat holder - under desk mount

Volume for the placemat: 22,5cm x 25cm x 1,5cm Print Bed with 250*250mm required.  - Add supports around the screw holes (as shown in the picture) - Normal (manual) supports, not tree supports! - Without first layer expansion! You need another size? Don't hesitate to ask me in the comment section or write me a personal message. I'll do my best :)