I need machine designer

Design a machine and produce drawings I can show to a fabricator for him to make the machine. The machine purpose is to drill 18 x 38mm in a 1mm thick 200L steel drum. 12 holes around the side, 6 on the base of the drum. All 18 holes would be drilled simultaneously. The concept is : 4 hydraulic cylinder positioned at each 90 degrees around the drum. 3 electric drills be attached to each cylinder. A frame will support the drum and stop it from moving. One hydraulic cylinder with 6 electric drills will drill the 6 holes on the base of the drum.