Advanced course in jewellery-making starts 14 September! Author Vicky Forrester Date September 2, 2010 Hollow Forming with the Hydraulic Press; Stamping with the Fly Press! Check here to see if there are any spaces left… you may be lucky! Using the Fly Press to stamp sheet metal Using the Hydraulic Press to hollow form sheet metal. Share on FacebookShare on TwitterShare on Google+Share on LinkedinShare on Pinterest