"LENGTH"= 3.7in			'longest of two dimensions of pcb
"WIDTH"= 2.4in			'shortest of two dimensions of pcb
"HOLE_DIA"= 0.1in		'mounting hole diameter
"HOLE_DIST"= .1375069in		'distance to mount hole centerline from edge of PCB
"PCB_THICK"= 0.063in		'nominal thickness of PCB, usually 1.6mm
"TOP_CLEAR"= 1in		'Clearance above top of PCB, tallest component plus desired clearance
"BOTTOM_CLEAR"= 4mm		'Clearance below bottom of PCB, minimum 4mm