Bowl_14_03_2018
Bowl
The task is to create a metal bowl with a mallet and English wheel via shrinking and stretching.
The radius of the bowl I made is 275mm.
The process of making the bowls are as follows:
1 Prepare a circular metal sheet and mark a series of concentric rings as guidelines.
2 Files the metal sheet to create a smooth finish
3 Use the mallet to hammer the aluminum sheet on a plywood slab to shrink it to create tucks on the perimeters to thicken it.
4 Use the mallet to hammer the aluminum sheet on a sandbag to stretch the middle part, in order to create the arc shape.
5 Planish the bowl with English with correct radius.
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And this is the result:
Elevation
Top View
Bottom View
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Matching with female radius gauge in 3 positions
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