Multipurspose 3D printed board and its elementes: tiles etc.
Print board and its legs at 0.2 layer height, 15% infill, adaptive cubic pattern. No skirt, brim ~4mm.
For legs insert pause after layer 245 (the hole ends at 4.9 cm). Check if your slicer pauses after or before layer. For prusa slicer it's before (place pause at layer 246).