cmd G21
cmd G90
cmd G64 P0.01
cmd G17
cmd G40
cmd G49

set_precision 0.01
set_tool_diameter 3
set_move_z 3
set_base_z 0
set_cut_z_step 1
set_feed_drill 1000
set_feed_mill 2000

read_dxf gear.dxf

set_cut_z -3
cut_inside hole

set_cut_z -3
cut_outside 0

cmd M2

write_ngc gear.ngc