Left and right part. Buy all parts before you start. Verify measures between the bought parts and the design. Adjust the measures if applicable. Take the drawings with you when you go shopping.
Good advice is always cheaper.
Fill the tube with DRY soft sand from the beach. Squize a second wooden cork in the open end of the tube. Now you are ready to bend the tube without deforming the tube. Heat the tube where you want to bend it, until it is red. It hardens the stainless steel.