Models View all Weight locking nut for 3D print 3 19 0 AS5600 rotation encoder 8 137 0 Battery contacts from aliexpress, pos and neg 7 173 0 18650 single battery enclosure aliexpress 18 921 0 32mm - 1.25 in Aliexpress furniture caster wheel 22 1110 4 RP2040-Zero 38 774 3