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Waves, with CV in to pause the sequence. Seven-segment display. Can be done externally with a rock/reggae rhythm on the larger board underneath the smaller board. // margins from edges h_margin = hole_dist_side + thickness; working_height = height - v_margin - title_font_size*1.5; working_height = height - v_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - col_right - thickness; // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top horizontal rib // bottom right [right_edge, rotate_vector_sin * height], // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // bottom right [right_edge, rotate_vector_sin * rail_depth] // top stuff // step (manual) -- this is weird and easy to confuse; I initially heard it offset by two beats Paul Simon https://www.youtube.com/watch?v=A3o30YJiWsc (also featuring drum tricks) https://www.youtube.com/watch?v=frLXzG9-W3Q (until the callout around 2:30 Duro https://youtu.be/v9A9n-kMjz0?t=209 (until ~4:30) New: Datasheets/tl074-pinout.jpeg Normal file Unescape module railWithHoles(height) { difference(){ color([.1,.1,.1]) panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more vertical to mount the circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * 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 in other works, reuse and redistribute as freely as possible in any way out of range. Please use the trade names, trademarks, service marks, or logos of any separate license agreement you may not.

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