GoPro Cable Dolly

Simple dolly with a GoPro-Camera mount to be used with one single rope or cable with a diameter up to 12 mm.
It was originally designed to be hoisted up the topping lift or backstay on a sailing yacht but can be used on any rope or cable as long as it is not vertical or close to vertical.
Of course it may swing. That can hardly be avoided with only one cable.

You need to print:
- 1x set of chassis (2 parts in one file or see separate left/right-File); The left and right parts are different!
- 2x wheel
- 2x set of screw and nut (file containing the screw and the nut or see single files for screw and nut)

You additionally need:
1x M5 nut

The chassis needs to be printed with support. It is only little waste that is printed but the overhanging part of the camera mount needs the support.
The screw should not need support. At least for me it worked fine without.
The wheel definitely needs no support.

I am not sure if all types of M5 nuts fit the hole in the stl-File. If y