Table Tennis Low Serve Trainer

My table tennis coach at WCTTA told me that good serves should be kept low, clearing the net by no more than the radius of a ball, 20mm. You can practice low serves with these stands and a broomstick. The broomstick blocks serves higher than 20mm above the net.

The stands are more than 6" long, so they will not print on smaller 3d printers. I printed them on a Replicator 2 with 2 shells and 10% infill.

The broomstick I used is 5' long and 7/8" in diameter.

The stands require a gap betwe