This is model of simple nutcracker. To make part stronger I recomended to use 3 perimeters and 5 top and bottoms solid layers and at least 70% of infill. Holes for M4 screws in lever should be tapped M4 thread. Hardware needed. -1x M6x60mm Socket Head Screw -1x M6 Nylon Lock Nut -2x Washer for M6 screw -2x M4x16 or M4x20 Socket Head Screw

Material recomended: PET-G or stronger Layer high: 0,3 Support needed Infill at least 70%