Mount your cornhole boards on the wall!
This is only my second design with Tinkercad, so please don't be too harsh. Be sure to note the infill at 70% with a Cubic infill pattern for a strong print.

-50mm in height, 140mm in length, and 50mm in depth
-Holes are countersunk
-Large hole is 10mm diameter
-Small hole is 4mm diameter
-Large lag bolt recommended to bear most of the weight
-Small construction screw used for extra stability