Here is the pipe land starter set add grim dark feels to your table by creating a Promethean refinery, included in the set is :
5x standard pipes
4x connectors
4x 90 degree turn to ground
4x 90 degree bent pipes
4x valve joints
4x narrow connectors
1x long damaged pipe
1x medium damaged pipe
1x small damaged pipe
1x 3 to 1 Junction
 
And either the generator or the storage vat choose which option in add ons.