Blistering Barnacles!

The aim of this task was to form a 'blister' in a piece of sheet aluminium. To do this, a teardrop shape was cut out of two MDF boards, the sheet aluminium was placed between them and all fastened securely with four nuts and bolts in the corners.
With the sheet aluminum secured in place, the blistering technique began.



A small end of an egg shaped mallet was used first to form an edge to work with.



Substantial stretching of the inner section, a sign of a quality blister.



Excess material has been trimmed off.



Edges were lightly filed and then sanded to finish.





C'est magnifique.

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