Fully 3d printable nutcracker.
Nutcracker designed to process a high volume of nuts. The shape of the base keeps the broken shell inside. 4 holes added to see inside to help line up the nut. The bottom of the piston is concave to keep the nut steady.
https://www.appropedia.org/Nut_Cracker
To Use:
Place the nutcracker over the nut.
Hit the strike plate to crack the shell of the nut.
Place over the next nut and repeat.
Designed in OpenScad for MSE4777