This is a little support and insulator for a 5 elements yagi antenna.
this antenna is set on 404 MHz and it is used for locating radiosonde on ground or on air.
With a little bit of seal over the contacts it can be put outside on a rotor or on a pole.
The two parts are printed with supports.
All the holes on the aluminum are thread (M4 size)
The screw on the dipole is a plastic screw. (M5 size)
Parts You need:
1x 15x15x200 square aluminum profiled
2x 5.5x200 circular aluminum profile
4x M4 grub screws for lock the directors and reflectors
1x 11x2x200 aluminum stripe for the main dipole
2x M4 screws to connect the cable to the dipole
2Meters of RG-58 cable
1 BNC to RG-58 connector
All the sizes necessary to build the antenna are on the last photo.
If you have any questions ask me in the comments!!