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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 6.1 of http://www.st.com/resource/en/datasheet/stm32f405og.pdf WLCSP-100, 10x10 raster, 10x10mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f410t8.pdf WLCSP-49, 7x7 raster, 3.029x3.029mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the shaft. If the knob spacing on the left sub-panel top_row = height - v_margin - title_font_size*2; saw_out = [output_column, row_1, 0]; fm_pot = [input_column + h_margin/2, bottom_row, 0]; cv_in = [input_column, row_2, 0]; f_tune = [h_margin+working_width/8, row_2, 0]; audio_in_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_2, 0]; pwm_in = [width_mm - h_margin - working_width/8, row_3, 0]; pwm_duty = [second_col, fourth_row, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_3, 0]; c_tune = [width_mm/2, top_row, 0]; left_rib_x = thickness + 6 + tolerance; // left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*2 + thickness; right_rib_x = width_mm - thickness*2.5 - tolerance*6; out_row_1 = v_margin+12; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=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 -3.04892 6.59 vertex -6 0 6.59 facet normal -0.264278 0.161928 0.950756 facet normal 0.0938358 -0.952717 0.289008 vertex -1.75038 -8.79978 4.79464 facet normal -0.111478 0.367773 0.923209 vertex -7.48323 5.00013 0 vertex -2.81744 -1.16477 6.59 facet normal -0.992165 -0.101034 0.0734901 vertex 4.11812 5.19155 7.7465 vertex -6.45034 0.596366 7.73103 facet normal -0.847874 -0.479685 0.225859 facet normal 9.290075e-01 -1.163247e-03 3.700590e-01 vertex -1.082406e+02 9.665134e+01 4.877984e+00 facet normal -2.096582e-001 -3.669018e-001 9.063259e-001 facet normal -0.741926 -0.638679 0.204047 facet normal -0.98935 0.097375 0.108187 facet normal -5.512425e-01 8.343450e-01 1.130036e-04 vertex -9.358794e+01 1.050106e+02 4.255000e+01 facet normal 0.45399 0.891007 -0 vertex -1.76336 2.42705 9.999 vertex -2.42705 1.76336 9.999 vertex -2.85317 -0.927051 9.999 vertex -2.42705 -1.76336 0 vertex -9.8813 -2.36142 2.19603 vertex 1.98804 9.99456 2.19603 vertex -1.98804 9.99456 2.19603 vertex -5.66146 8.47298 2.19603 vertex -10.1521 0.388301 0 facet normal 0.312865 0.468219 -0.826369 facet normal 9.770165e-14 -1.000000e+00 -4.840890e-14 facet normal 0.555731 0.831362 -3.10615e-07 vertex -1.32612 -3.15398 6.59 vertex -2.53508 -1.69389 6.59 facet normal 0.575169 0.528289 0.624573 facet normal 0.098397 0.0148716 0.995036 facet normal -6.013035e-01 -7.990206e-01 3.429106e-04 facet normal -0.392534 -0.665275 0.63508 facet normal -0.258276 -0.111525 0.959612 facet normal -0.630808 0.768363 0.108162 facet normal -3.508210e-001 -6.139374e-001 7.071106e-001 vertex 1.657414e+000 4.891510e+000 2.484855e+001 facet normal 0.195099 -0.980784 -7.13214e-06 vertex -0.4 -3.00952 6.59 vertex -2.69268 2.0165 6.59 facet normal -4.926591e-001 8.446028e-001 2.096026e-001 facet normal -0.881919 -0.471401 0 facet normal -0.0462166 0.587101 0.808194 vertex 2.728 0.

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