Just saw this on the front page of Reddit:
Link: https://www.youtube.com/watch?v=_dtBUiaAqRE
3D-printed cams driven by a crank provide X and Y motion to a green laser pointer who's front end rides on the cams and pivots around the back end of the pointer which is held loosely in place with a rubber band...
Result? Instant laser graphics!
OK, primitive graphics, but even so this is a very cool idea. The video explains how he calculated the varying radius of the two cams for each pattern. It's really quite clever...
So out with it: Which one of you guys did this?
Adam
PS: Link to thread on Reddit: https://www.reddit.com/r/mechanical_...8k/laser_show/
Bonus link to original thread: https://www.reddit.com/r/functionalp...al_laser_show/