The file 'Drain Rod Camera Holder 3D Printer Model' is (stl) file type, size is 125.4KB.
This is made to fit to the standard 18mm diameter Drain Rod thread, with a 4mm pitch. You can then insert a 6mm camera (boroscope).
Thanks for the inspiration SR1992 (https://www.thingiverse.com/SR1992), your design gave me some good ideas: https://www.thingiverse.com/thing:4977296
Drain_Cam_Holder_2.stl | 394.6KB |