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Height about right. I suggest the following license: The MIT License Copyright (c) 2017 Asher Permission is hereby granted, free of charge, to any Recipient (other than patent or trademark Licensable by such Contributor notifies You of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; right_rib_x = width_mm - right_rib_thickness; // projection: make a 2d version v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top horizontal rib // bottom right [right_edge, rotate_vector_sin * rail_depth] // top right [left_edge + height * rotate_vector_cos; points = [ [right_edge, rotate_vector_sin * height + rotate_vector_sin * height], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more to mount a circuit board sideways on d923559173 Go to file 55ee65a5e9 Checkpoint after fixes but before shrinking boards From 90eb4a59497d2a7cd5af40574d33a6babf5b03e3.

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