The file 'Yet Another Small Antenna Winder 3D Printer Model' is (stl) file type, size is 3.6KB.
This is a simple antenna tuner based on a discussion on QRPer.net.
You can easily resize this to meet your needs.
I printed it in PLA at about 35% fill, but PETG should work.
Radial_Winder.stl | 17.5KB |