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Cut the tile out of a slab of clay on a ware board and remove the outside
left over clay. Clay has a memory. If you lift the edge of a wet clay tile
up it will have a tendency to curl at that spot.
Depending on where the tile is going to go you might choose different types
of clay. A clay body that is more vitreous is better for outdoors...but
then I have seen beautiful made made earthenware Mexican tiles which were
quite porus last just fine.
Stains on top of a bisqued tile can be a problem because it acts like a
dusty surface. If you put them onto a greenware piece, the stains can be
"rubbed" into the clay a little bit. This helps bind the stains to the clay
Underglaze pencils are great! So are the pan watercolors! Both of these
materials are very fun to work with and don't make a huge mess.
Thin set mortar for permanent installations in a wet situation or a mastic
Ceramics Department Coordinator
Studio One Art Center