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Pitch, https://www.st.com/resource/en/datasheet/stm32l4p5ve.pdf ST WLCSP-115, ST die ID 471, 4.437x4.456mm, 100 Ball, 10x10 Layout, 0.55mm Pitch, https://www.dialog-semiconductor.com/sites/default/files/da1469x_datasheet_3v1.pdf#page=740 VFBGA-100, 10x10, 7x7mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf UFBGA-100, 12x12 raster, 5.24x5.24mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l052t8.pdf WLCSP-36, 6x6 raster, 2.553x2.579mm package, pitch 0.5mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l052t8.pdf WLCSP-36, 6x6 raster, 2.605x2.703mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the sake of code complexity. Odd values are -=1 verticalJackHoleSpacing = (panelInnerHeight - jackHoleRows * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleColumns + 1); for(verticalOffset = [panelInnerOffset + verticalJackHoleSpacing/2 + jackHoleDiameter/2 : verticalJackHoleSpacing + jackHoleDiameter : panelInnerHeight + jackHoleDiameter] for(horizontalOffset = [horizontalJackHoleSpacing + jackHoleDiameter : panelInnerHeight + jackHoleDiameter] for(horizontalOffset = [horizontalJackHoleSpacing + jackHoleDiameter : panelInnerHeight + jackHoleDiameter] for(horizontalOffset = [horizontalJackHoleSpacing + jackHoleDiameter / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); hole_horiz = (board_width - hole_hdist) / 2; hole_vert = (board_height - hole_vdist) / 2; standoff_radius = hole_radius * 2.5; standoff_height = 3; difference() { difference() { difference() { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -9.46879 3.54602 vertex -6.89148 -6.89148 3.26879 facet normal 7.640264e-01 6.451849e-01 -0.000000e+00 facet normal 0.772914 0.634511 0 facet normal 2.908002e-001 2.368463e-003 9.567809e-001 facet normal -0.695445 0.464678 -0.548115 facet normal 8.724512e-001 3.884454e-003 4.886858e-001 vertex -4.034391e+000 -5.128616e-002 2.480400e+001 facet normal 0.94635 0.307486 0.0993716 facet normal 0.124702 -0.9872 0.0994275 facet normal 0.188081 0.291196 0.937993 facet normal 2.011253e-03 -0.000000e+00 9.999980e-01 facet normal 0.0819801 0.0822463 0.993235 vertex -5.26759 5.16186 6.86461 facet normal 0.0974657 -0.989339 0.108209 facet normal 4.711472e-001 -8.098493e-001 3.495202e-001 vertex -5.964662e-001 4.277734e+000 2.475471e+001 facet normal -0.248691 -0.968583 0 facet normal 3.508225e-001 6.139395e-001 7.071081e-001 vertex -3.417393e+000 -3.989403e+000 2.488700e+001 facet normal -0.920074 0.090682 0.381103 vertex -10.1139 0 2.58057 vertex 5.28808 8.58625 2.58057 facet normal -0.47101 0.882048 -0.0118783 facet normal -0.0363196 -0.0926415 0.995037 vertex 3.43863 -8.76148 20.0916 facet normal -0.400414 0.779905 0.481058 vertex 4.34627 -4.86109 7.33259 vertex -0.18558 -6.45682 7.32632 vertex 4.34627 4.86109 7.33259 vertex -4.43444 4.69689 7.32632 facet normal -0.678285 -0.205763 0.705402 facet normal -8.314602e-01 -5.555843e-01 3.286856e-04 facet normal 0.499992 -0.86603 -1.51289e-06 facet normal -0.891007 -0.45399 0 vertex 5.31736 8.65691 2.19603 facet normal -0.0947152 -0.0292373 0.995075 vertex 7.29364 -3.51243 19.9509 vertex -7.63602 -2.3554.

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