(**** beginning of start.gcode ****)
(This file is for a MakerBot Thing-O-Matic)
(**** begin initialization commands ****)
M103 (disable RPM)
M73 P0 (enable build progress)
G21 (set units to mm)
G90 (set positioning to absolute)
M104 S225 T0 (set extruder temperature)
M109 S100 T0 (set heated-build-platform temperature)
(**** begin homing ****)
G162 Z F1000 (home Z axis maximum)
G92 Z10 (set Z to 0)
G1 Z0 (move z down 10)
G162 Z F150 (home Z axis maximum)
G161 X Y F2500 (home XY axes minimum)
M132 X Y Z A B (Recall stored home offsets for XYZAB axis)
(**** end homing ****)
G1 X25 Y-60 Z10 F3300.0 (move to waiting position)
M6 T0 (wait for toolhead parts, nozzle, HBP, etc., to reach temperature)
G0 X25 Y-57 (Position Nozzle)
G0 Z0.6     (Position Height)
G92 E0 (Set E to 0)
G1 E4 F300 (Extrude 4mm of filament)
G92 E0 (Set E to 0 again)
(**** end of start.gcode ****)
