Blister
Assignment 3: Tutorial How to make a Torus Tools and Materials: Aluminium sheet Log with a rounded notch Steel Planishing Hammer Nylon Mallet Steel pipe Step 1 Mark and cut a strip of aluminium sheet 300mm x 100mm. Step 2 Bend the strip of aluminium around the log to get the initial shape of the torus. Align the notch in the log to the midline of the aluminium sheet to ensure the reverse curve is centred. Step 3 Using the nylon mallet hammer softly to feel for the edges of the notch. Work hammering in a circular direction around the notch starting in the middle of the sheet. Once you have found the edges, begin to hammer harder working at the edges to form into the notch. Note: Do not hit the middle of the circle. The shape must be formed from the outside in. Step 4 In the centre of the circle you will notice that the metal has been forced into a high spot as there is nowhere for it to go. Use the mallet to shrink this a
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