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= [width_mm - h_margin - working_width/8, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_3, 0]; cv_in_2b = [right_col, row_2, 0]; pwm_in = [input_column - h_margin/2, row_1, 0]; pwm_in = [first_col, fifth_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, second_row, 0]; //Third row interface placement saw_out = [output_column, bottom_row, 0]; cv_in = [input_column, row_2, 0]; fm_lvl = [h_margin+working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, first_row, 0]; c_tune = [width_mm/2, top_row, 0]; f_tune = [h_margin+working_width/8, row_3, 0]; right_rib_x = width_mm - hole_dist_side, height - v_margin*2 - title_font_size; working_increment = working_height / 7; // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = width_mm - thickness; // draw panel, subtract holes union() { difference(){ color([.1,.1,.1]) panel(width); // Top radius of the main (cylindrical or conical) knob shape, without the two resistors in the output jacks output_column = width_mm - h_margin; out_row_1 = v_margin+12; Initial stab at a 10-step panel layout Start of LM13700 version to see why 77735c00cc3285131373f5cfc61b82eab5963d12 Update README.md 3e868f13c4dc33c20ca33a0cc8f51c9d63e1c081 updated C14 footprint, traces, groundplane updated C5 footprint & tracing; schematic annotation updated C5 footprint & tracing; schematic annotation updates the potentiometer pads and thermal vias; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf UFBGA-100, 12x12 raster, 7x7mm package, pitch 0.5mm; see section 7.8 of http://www.st.com/resource/en/datasheet/DM00387108.pdf Texas Instruments, DSBGA, 1.36x1.86mm, 12 bump 4x3 grid, NSMD pad definition Appendix A BGA 900 1 FF900 FFG900 FFV900 FF901 FFG901 FFV901 Artix-7, Kintex-7 and Zynq-7000 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=270, NSMD pad definition Appendix A Spartan-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=280, NSMD pad definition Appendix A Kintex-7 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=297, NSMD pad definition (http://www.ti.com/lit/ml/mpbg674/mpbg674.pdf, http://www.ti.com/lit/wp/ssyz015b/ssyz015b.pdf UCBGA-36, 6x6 raster, 2.61x2.88mm.

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