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B/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to apply smooth = 20; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space between them right_panel_width = width_mm - thickness*2; // draw panel, subtract holes panel(width); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - h_margin; input_column = h_margin; working_height = height - v_margin - title_font_size*2; working_width = width_mm - thickness; // draw a "vertical" wall to mount the circuit board to, dead center pcb_holder(h=10, l=top_row-rail_clearance*2, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - hole_dist_side - thickness; // column from edge plus hole radius // elevated sockets to fit in glide controls Final-ish tweaks More mounting hole 4.3mm no annular mounting hole 3.2mm no annular m2.5 din965 Mounting Hole 5.3mm, no annular, M3, ISO7380 mounting hole 4.3x6.2mm m4 Mounting Hole 3.2mm, M3 mounting hole 6.4mm m6 iso14580 Mounting Hole 3.2mm, M3, ISO7380 mounting hole 5.3mm m5 din965 Mounting Hole 3.2mm, M3, DIN965 mounting hole 6.4mm m6 iso14580 Mounting Hole 3.5mm, no annular m3 iso7380 Mounting Hole 5.3mm, M5, DIN965 mounting hole 3.2mm m3 din965 Mounting Hole 2.2mm, no annular, M6.

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