Thursday, 20 February 2014

In the studio: slip casting and a change of direction

I have spent the past couple of weeks experimenting with different ways of making, and decorating  slip cast bowls.

Bowl mould circa 35cm dia.
Various methods of decoration included painting coloured underglaze directly onto the plaster bowl mould (above) or onto a flat slab, which was then transferred to the bowl mould (below). A layer of cheese cloth was embedded in the slip which provided strength whilst transferring the clay slip from the flat slab to the bowl mould. The cheesecloth then burns away during the firing process.

I also explored different methods of colouring the slip and ways of layering the colours into the moulds.

Unfortunately the results always ended up like this:

Breaking whilst drying in the mould, breaking during the bisque firing, and the one that made it through to the glaze fire also shattered.

I decided that the universe way trying to tell me to work in a different way, so I have changed my direction completely, and have started to make bowls in a much more solid form.

Geology slab bowls roughly measure 20 x 20 x 30 cm

The idea is that they look like they have been roughly hewn from the ground, with a bowl hollow carved into the 'rock'.

This then led to the idea of creating strata layers within the rock-like slabs. I added red iron, raw sienna, and yellow ochre to the clay.

The result is a much more substantial bowl, and Im excited in the direction my work is taking.  

Fingers crossed it survives the firing. Next, to experiment with glazes that replicate rust!

1 comment:

  1. Wow, wow, wow.... Loving this new direction, Kate.



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