The file 'Antenna Wire End Insulator 3D Printer Model' is (stl) file type, size is 138.2KB.
The holes is 7x7mm. If you need bigger or smaller, just scale the design. After finish printing, pull and break the two 1x1mm support structures (put them for better bed adhesive) at the bottom of design, and insulator is ready to use it.
Antenna_Insulator.stl | 428.4KB |