Carole brought in gloss white tiles from a DIY store, which she had prepared with a spray-on glaze. Some were already fired with a black glaze and then covered with unfired white (to enable a black drawn line), then there was a choice of green, red, blue or black over the white.
Jo used scratching tools and a paintbrush
The unfired glaze was quite stiff but powdery and masks were advisable when making the sgraffito marks. A number of different tools were used from dental instruments to brad awl, pins, scalpel and brushes. Water, where it dissolved the glaze was effective too.
A selection of the finished tiles
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