// a rectangular prism to hold the reed switches closer to the window STRIP_X = 27; STRIP_Y = 16; REED_X = 23; REED_Y = 13.9; REED_Z = 5.9; FRAME_TO_COVER = 33; MAGNET_Z = 3; Z = FRAME_TO_COVER - MAGNET_Z - REED_Z; cube([STRIP_X, STRIP_Y, Z]);