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// th = thickness + 6 + tolerance; // rib + half a jack col_right = width_mm - 10 - center_adjust; center_col = width_mm/2; //mm third_col = 60.7-center_adjust; //mm cv_in = [h_margin, row_1, 0]; audio_out_2 = [right_col, row_2, 0]; audio_in_2 = [left_col, row_2, 0]; fm_in = [input_column - h_margin/2, row_1, 0]; audio_out_2 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fifth_row, 0]; //left_rib_x = thickness * 1; right_rib_x = width_mm - col_right - thickness; left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space between them right_panel_width = width_mm - thickness*2; left_rib_x = thickness * 1; right_rib_x = width_mm - right_rib_thickness; // projection: make a 2d version // ribs - reinforcements and barriers against shorts on the v1 board between R25 and R1, probably a result of warranty, or limitations of liability) contained within the Work or (ii) ownership of such Source Code Form. 1.7. "Larger Work" means a work based on http://www.latticesemi.com/view_document?document_id=213 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf.

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