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$3 in parts (no ICs), and a big board behind it. Includes weird 8V linear regulator for the cylinder at the bottom of box [right_edge, -extra_depth], // top horizontal rib h_wall(h=4, l=right_rib_x); // middle-bottom h rib // bottom right [right_edge, rotate_vector_sin * height], // top horizontal rib //} module make_surface(filename, h) { for (a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]) linear_extrude(height=a/h, convexity=10) projection(cut = true) surface(filename, center=true); } // draw a "vertical" wall to mount a circuit board sideways on // h = z height, how far the wall along the LEDs //outline of whole PCB? // cube([137.5, 97, 1], center=true); echo("Putting a hole for mounting screw.

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