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include <pcb_case/bolt.scad> t = 2; pcb_dim = [30, 65, 1.4]; margins = [ [1, 1], [3.6, 1.7], [bolt_l-t-pcb_dim[2], 27] ]; base_drilling = [3.5, 3.5]; dx = [23, 0]; dy = [0, 58]; drillings = [ base_drilling, base_drilling + dx, base_drilling + dy, base_drilling + dx + dy ];