1 # number of pins on left/right sides (pin1 is upper pin on left side) 2 # number of pins on top/bottom sides 3 # pin pitch (1/1000 mil) 4 # y-coordinate for upper pin on left/right sides (1/1000 mil) 5 # x-coordinate for right pin on top/bottom sides (1/1000 mil) 6 # total horizontal package width (1/1000 mil) 7 # total vertical package width (1/1000 mil) 8 # how much pads extend beyond the package edge (1/1000 mil) (the 25 is 0.25 mm) 9 # how much pads extend inward from the package pad edge (1/1000 mil) 10 # pad length/width (1/1000 mil) 11 # pad width (mil/100) 12 # min/max x coordinates for the pads on the left/right sides of the package (mil/100) 13 # min/max y coordinates for the pads on the top/bottom sides of the package (mil/100) 14 # silkscreen width (mils/100) 15 # how much the silk screen is moved away from the package (1/1000 mil) 16 # upper right corner for silk screen (mil/100) 17 # refdes text size (mil/100) 18 # x,y coordinates for refdes label (mil/100) 19 # square exposed paddle size (mil/100) 20 # pad clearance to polygons (1/100 mil) 21 # width of the pad solder mask relief (1/100 mil). 22 # grow by 1.5 mils on each side 23 # width of the paddle soldermask relief (1/100 mil) 24 # grow by 200 mils on each side 25# element_flags, description, pcb-name, value, mark_x, mark_y, 26# text_x, text_y, text_direction, text_scale, text_flags 27Element[0x00000000 "Square Quad Flat Nolead (QFN) package" "" "QFN12_4_EP" 0 0 -9858 -10908 0 100 0x00000000] 28( 29# Pad[X1, Y1, X2, Y3, width, clearance, 30# soldermask, "pin name", "pin number", flags] 31# left row 32 Pad[-8031 -3149 -6141 -3149 1653 2000 1953 "1" "1" 0x00000100] 33 Pad[-8031 0 -6141 0 1653 2000 1953 "2" "2" 0x00000100] 34 Pad[-8031 3149 -6141 3149 1653 2000 1953 "3" "3" 0x00000100] 35# bottom row 36 Pad[-3149 8031 -3149 6141 1653 2000 1953 "4" "4" 0x00000900] 37 Pad[0 8031 0 6141 1653 2000 1953 "5" "5" 0x00000900] 38 Pad[3149 8031 3149 6141 1653 2000 1953 "6" "6" 0x00000900] 39# right row 40 Pad[8031 3149 6141 3149 1653 2000 1953 "7" "7" 0x00000100] 41 Pad[8031 0 6141 0 1653 2000 1953 "8" "8" 0x00000100] 42 Pad[8031 -3149 6141 -3149 1653 2000 1953 "9" "9" 0x00000100] 43# top row 44 Pad[3149 -8031 3149 -6141 1653 2000 1953 "10" "10" 0x00000900] 45 Pad[0 -8031 0 -6141 1653 2000 1953 "11" "11" 0x00000900] 46 Pad[-3149 -8031 -3149 -6141 1653 2000 1953 "12" "12" 0x00000900] 47# Exposed paddle (if this is an exposed paddle part) 48# Pad(X1, Y1, X2, Y3, width, clearance, 49# soldermask, "pin name", "pin number", flags) 50 Pad[0 0 0 0 8267 0 8667 "13" "13" 0x00000100] 51# Silk screen around package 52ElementLine[ 9858 9858 9858 -9858 1000] 53ElementLine[ 9858 -9858 -9858 -9858 1000] 54ElementLine[-9858 -9858 -9858 9858 1000] 55ElementLine[-9858 9858 9858 9858 1000] 56# Pin 1 indicator 57ElementLine[-9858 -9858 -11358 -11358 1000] 58) 59