Now that we’ve cut our pieces out we’re going to connect them together by starting with the base.
First grab two of the 45cm pieces and connect an elbow joint at each end of the pipes. Then, from one end, connect the following pieces: 15cm, T joint, 45cm, T joint, 15cm and then attach the other base 45cm and elbow joints. Now rotate the two open elbow joints so the face upwards.