3/8" x 24 Threaded Antenna Dipole Pole Mount

I was looking for an inexpensive way to mount two antennas horizontally on top of a tall painters pole. This block accepts a 3/8" x 24 hex nut on each side of the mounting hole. I then took a 3/8 x 1-1/4" washer with a hole drilled, sandwiched it between the antenna and the nut, soldered one leg of ladder line to each washer, and then run the line down to my radio.

I used supports generated by Cura (2.4 and 2.6 both did a fine job), but it's a little tricky to pull all the material out of t