Three inputs: brown, blue and orange gears. Output: pink gripper support (fixed to pink gear) performing planar motion. The video shows alternately: 1. Only brown assembly (gear and crank) turns, …
Blue, yellow, grey and brown bars create a parallelogram mechanism. Brown, violet, yellow and green bars create a parallelogram mechanism. Grey and yellow bars create an isosceles triangle. Violet and …
Not a LEGO set. Not for sale. No instructions, but you are welcome to read description and check work in progress photos at my website. More at: FB: G+: