greedy box

the work of the toy is shown here: https://youtube.com/shorts/3VJbX_yWjhs

This mechanism was created on the basis of the well-known kinematics “Parallelogram of Chebyshev”


Everything was printed with PETG plastic nozzle 0.4 layer 0.2 without supports.
Except for the hand - it was printed with supports in layer 0.1.
The assembly sequence of the mechanism should be clear from the screenshots.

For assembly you will need:
- 1pc mini gear motor GA12-N20 3v 30rpm. You should not install a faster geared motor - the cam geometry is matched to this gearbox, and it will not work with another device.( https://www.aliexpress.com/item/4000274747864.html)
- 1pc Micro switch ss-12f15 (https://aliexpress.com/item/1005001750221821.html )
- 2 pcs micro switch D2F-L or D2F-FL (https://aliexpress.com/item/32863857019.html )
- 2 pairs of battery contacts (https://aliexpress.com/item/4000245292258.html )
- 2 pcs AA batteries
- 3 pcs M3x8 screws
- 2 pcs M3x16 screws
- 2 pcs washers M3