Upgrade for 3D printers.
Z-coupler for 5mm stepper motor axle and 8mm Z-axle.
You'll need 6x12mm M3 bolt (bolt+nut)
In the image, an example mounted on 3Drag printer model
+LAB is the new 3Dprinting lab of Politecnico of Milan. Our team is composed by designers and engineers conducting academic research on this amazing technology!