It took many, many hours to complete this vessel. The following images are snippets of the process.
sawing out the circle that will be raised into a bowl
The raising process- the flat circle is slowly raised up using hammers and steel forms called stakes. the metal must be annealed with a torch in between "courses" of hammering.
Annealing with a torch
Smoothing marks on the outer surface
The bowl is filled with pitch a tarlike material that gets harder as it cools. It allows me to sculpt the metal from the outside without collapsing the cup.
Sculpting with hammers
The pitch must be melted out of the vessel and the vessel must be annealed and then refilled with melted pitch. This process took about 45 minutes or more, to melt out the pitch VERY slowly as it is combustable, anneal, clean with a pickling acid and then refill slowly with hot pitch.
A view in the bowl before I added more pitch. The vessel full of hot pitch would have to cool just enough for me to touch it but not too much or it would get too hard to work.
Drilling and cleaning hole to attach the marsh grass fronds.
Soldering the fronds of copper grasses
The vessel with only the inside enameled.
The fresh enamel on the outside of the vessel about to go into the kiln.
Into the kiln at about 1540 degrees.
The vessel about to come out of the kiln after about 6-10 minutes
Red hot glass and copper.
The glass and copper are slowly cooling off and the color begins to show.
Attaching grasses to the vessel.
The grasses are fed through the holes on the rim to prepare for electroforming.
The vessel in the big electroforming tank of acid. An electrical current in run through the vessel and a bus bar of raw copper to transfer copper molecules to the grasses. this growing molecules on the grasses took many hours 24-36.