This model is a dual purpose dolly and panning rig for a GoPro HERO Session camera.
It uses a single chain to control both the linear movement of the camera (dolly) and/or the rotational movement of the camera (panning).
Design inspiration video:
"Controlling linear and rotary motions of an object 2"
by thang010146
https://youtu.be/pe19F4LaWog
Music:
"Danger Storm" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/li
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