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Stem_transition_height = 5; $fn=FN; /* [Panel] */ width = 36; // [1:1:84] fm_in = [input_column - h_margin/2, row_1, 0]; fm_in = [first_col, fifth_row, 0]; //left_rib_x = thickness + 6 + 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 * rotate_vector_cos; [left_edge, rotate_vector_cos * rail_depth], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin.

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