x12 coin (base)
x1 X-slider
x1 Y left-slider
x1 Y right-slider
x1 Z-slider
for a Alto444
x14 20x20 profile 500mm
x4 20x20 profile 700mm
x1 20x40 profile 500mm
x4 NEMA17 stepper TR8.2 500mm
1x Aluminium 8mm base support (550x550mm)
External Stepper + Smoothieboard
Some notes