Hand winder for featured lightbox on Instructables

This makes small adjustments in the height of the camera more accurate than using a pulling motion. The instructions assume you have already assembled the base unit from here:
http://www.instructables.com/id/A2-overhead-corner-LEDs-lightbox/

The instructable for this assembly is here:
http://www.instructables.com/id/A2-overhead-corner-LEDs-lightbox-Hand-winder-exten/

https://www.youtube.com/watch?v=rLVa14EbK24