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Fireball design, some pots are about 21mm apart, meaning that knobs shouldn't be over about 20mm in diameter at the top. Cylinder(r = 8, h = shafthole_height, $fn = sphere_indents_faces); height = 266 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1843363 8A 160V Generic Phoenix Contact connector footprint for: MSTB_2,5/7-GF; number of pins: 16; pin pitch: 5.08mm; Vertical || order number: 1755642 12A.

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