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front side RS274-X .gbr
back side RS274-X .gbr
pcb outline RS274-X .gbr; outline drawn in 10mil traces
Excellon drill file
milling depth in inches (Z-coordinate while engraving)
safety height (Z-coordinate during rapid moves)
distance between the PCB traces and the end mill path in inches; usually half the isolation width
feed while isolating in ipm
spindle rpm when milling
drill using the mill head
specify the the number of extra isolation passes, increasing the isolation width half the tool diameter with each pass
diameter of the end mill used for cutting out the PCB
PCB cutting depth in inches.
PCB cutting feed
PCB cutting spindle speed
Maximum cutting depth; PCB may be cut in multiple passes
drill depth
tool changing height
drill feed; ipm
spindle rpm when drilling
drill through the front side of board
all units are given metric
virtual photoplot resolution
mirror back side along absolute zero instead of board center
prefix for default output file names
output file for front layer
output file for back layer
output file for outline
output file for drilling