openHAB keyring
edit with tinkercad: https://www.tinkercad.com/things/1h2eQnXIQ9u
if you do not own a multi extruder print and you wish to print in 3 colors these are the gcodes i inserted in the cura's generated file (repetier host and server only)
;sequence begin
G91
G1 Z10
G90
G1 X0 Y200
@info pause
@pause
G91
G1Z-10
G90
;end sequence