Screw adjustable foot (B) to part (1).
Attach part (3, 5, 6) to part (1) using bolt (A) with hex key (D).
Place part (4) onto part (5) carefully. Part (4) is reversible.
Remove cover tape on glass pads (C), then stick it as diagram.
Place glass (2) onto part (1, 3) as per diagram carefully.