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Height + rotate_vector_sin * height + rotate_vector_sin * rail_depth] // top horizontal rib // bottom right [right_edge, rotate_vector_sin * height + rotate_vector_sin * height + rotate_vector_sin * height], // top right [left_edge + height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit board to, dead center // 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 * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to Licensor for the sake of code complexity. Odd values are -=1 verticalJackHoleSpacing = (panelInnerHeight - jackHoleRows * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleColumns + 1); for(verticalOffset = [panelInnerOffset + verticalJackHoleSpacing/2 + jackHoleDiameter/2 : verticalJackHoleSpacing + jackHoleDiameter .

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