Polymer Clay Decorative Tiles for Display

Small square tiles are one of the most forgiving ways to practice surface design, and polymer clay decorative tiles give you something worth keeping at the end of the practice. Each tile is a flat canvas about 2 inches (5 cm) across: big enough to hold a pattern, small enough that a failed one costs almost no clay.

These tiles are for display only. Arrange a set in a frame, lean a few on a shelf, or mount a single favorite on card. They are not intended as coasters or trivets, or as a substitute for real ceramic tile on a wall, floor or counter.

What you need

• Polymer clay: one base color plus small amounts of two or three accent colors
• Acrylic roller
• Two depth guides of equal thickness, such as craft sticks, strips of thick card or stacked playing cards
• A square cutter about 2 inches (5 cm) across, or a tissue blade and a ruler
• A ceramic tile to work and cure on
• Plain paper or baking parchment
• Needle tool and ball stylus for details

Why even thickness matters most

A single tile can be slightly uneven and nobody will notice. A grid of nine cannot. When tiles sit side by side, any difference in thickness shows as a step between neighbors.

Depth guides solve this. Lay one guide on each side of the clay and roll until the roller rests on both guides at once. From that point the roller cannot press any lower, so the sheet ends up the same thickness everywhere, and so does every later sheet rolled with the same guides. About 3/16 inch (5 mm) works well, stiff enough to stay flat.

Roll the sheet, cut the tiles, add the pattern

1. Condition and roll. Condition the base color until it is soft and crack-free, then roll it on the ceramic tile between the guides. Roll in several directions, lifting and turning the clay once or twice early on so it does not grip the surface unevenly.
2. Check for bubbles. Look across the sheet at a low angle. Pierce any raised bump with the needle tool held almost flat, press the air out, and roll once more.
3. Cut the squares. Press the square cutter straight down without twisting, then lift it and peel away the scrap. With a blade, mark the grid lightly first and press down in one motion; dragging pulls the corners out of square.
4. Leave them where they are. Decorate and cure the tiles on the same surface they were cut on. Lifting a soft square by one corner stretches it into a kite shape that will not line up in a grid.
5. Lay on the pattern. Roll the accent colors very thin, cut small shapes, and place them on a tile. Thin pieces merge into the surface; thick ones stay as raised lumps.
6. Press it in. Cover the tile with a piece of paper, set the depth guides back on either side, and roll lightly once in each direction. The guides stop you from thinning the tile, and the paper keeps the roller from smearing the colors.
7. Re-trim if needed. Pressing can push the edges outward a little. Set the cutter back over the tile and press again to restore a true square.

Pattern ideas that suit a small square

Simple geometry reads best at this size. Pick a limited palette and repeat it across the whole set so different patterns still belong together.

Leave one or two tiles nearly plain; a single textured tile in the base color makes the others stand out. For more ways to pattern a whole sheet before cutting, see the guide to terrazzo, stripe and dot slabs, and for imprinted surfaces see texture techniques using everyday tools.

Cure the tiles flat

Cure (bake) the tiles on the ceramic tile they were made on. Curing requirements differ by manufacturer and by product line, so follow the exact instructions that came with your own clay. Check the oven with a separate thermometer, since oven dials can be inaccurate, and tent the tiles loosely with foil to shield the surface from direct heat.

Flat pieces can warp if moved while warm, so let the tiles cool completely where they are. More on the setup is in how to cure polymer clay.

Finish the edges and surface

Edges matter more than usual here because tiles sit shoulder to shoulder. Rub each cured edge on a sheet of wet-and-dry sandpaper laid flat on the table, keeping the tile upright so the edge stays square. A few strokes per side are usually enough to remove the ridge left by the cutter. The full sequence is covered in how to sand polymer clay.

A surface coat is optional. Varnishes and sealers vary in how they behave on polymer clay, so read the product label and try it on a spare tile first.

Ways to display the set

• Framed grid. Arrange nine tiles in three rows on a backing card inside a deep frame without glass, or with enough depth that the glass does not touch them. Leave a narrow, equal gap between tiles; spacing them with strips of card keeps the gaps consistent.
• Shelf row. Lean three or four tiles against the wall on a narrow ledge, or stand each one in a small slotted block.
• Single mounted tile. Fix one tile to the center of a larger piece of heavy card.

For any mounting that uses adhesive, check that the product label lists the materials you are joining and test it with a spare tile on an offcut of the backing. Lay the whole arrangement out dry before fixing anything, and photograph it so you can rebuild the order. If you would rather hang your work than frame it, the polymer clay wall hanging project links flat cut shapes into strands on a dowel.