World of Warcraft Hearthstone Plaque

Home is where the heart is but, in World of Warcraft, it’s also where the hearthstone is. Give your favorite player a place to truly call home with this hearthstone handmade by you. This plaster replica will hang flat against a wall or can be used as a unique office decoration.

Using modeling clay to create a single-use mold for both the roughly-hewn edges of the stone and the engraved rune will make each hearthstone unique. Because modeling clay is so flexible, there is no worry about undercuts in the unmolding process.

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Step 1: Supplies

Modeling clay (NOT Play-doh)* - white or grey are best; colored clays may transfer color to the plaster
Plaster of Paris
About 6" of copper wire**
A piece of clear, smooth plastic - large zip top bag or plastic from a product package
Paperboard scrap, lumber, cookie sheet or similar for a work surface - must be flat
A variety of tools for shaping plaster: a craft knife and sandpaper; plastic or wooden clay tools if you have them
Paper or plastic container for mixing plaster, at least 3-4 cups volume
Popsicle stick or other implement for mixing plaster
Water
Hearthstone template - this is about 3½" X 4½" but I have also included the picture file so you can scale it up or down if needed. If scaling, please remember to scale the sizes and amounts of supplies accordingly.
Acrylic craft paints, etc. for finishing - this part is up to you (see final step for ideas)

* Play-doh is water-based and it will absorb some of the water from the plaster and get gooey. I tried it, with disastrous results. Stick with traditional non-water-based modeling clay. Some clay will transfer color to the plaster. On the edges, this coloring can be cleaned off but in the engraved rune, it's best to use white, gray, or blue if possible. Paint may also cover staining.

**I used copper because it won't rust. Aluminum will also work. Select wire that can hold the weight of the finished product which is a little less than a pound.