Plaster Casting a Hand (Part 8)

Practice mold making in this art lesson: plaster casting a hand (part 8).

🎨 Studio Brief #77

Create a plaster cast of your hand using alginate mold material or by pressing your hand into wet plaster.

🎯 Your mission

Squish, pinch, build. Trust your hands.

⚡ The twist

If it cracks, work the crack into the design.

What you'll learn

Create a plaster cast of your hand using alginate mold material or by pressing your hand into wet plaster. The result is a detailed, three-dimensional replica.

Get ready

Techniques you'll practise

mold makingplaster castingthree-dimensional form

You will need

CardboardWire (thin gauge)Air-dry clayModeling tools

Step 1 of 5

Mix alginate powder with water according to package directions. Pour into a container large enough for your hand.

Step 2 of 5

Insert your hand (fingers slightly apart) and hold still until the alginate sets (about 3-4 minutes).

Step 3 of 5

Gently wiggle your hand out, leaving a hollow mold.

Step 4 of 5

Mix plaster of Paris and pour it into the mold. Tap the container to release air bubbles.

Step 5 of 5

Let the plaster set overnight. Peel away the alginate to reveal your hand sculpture.

Did you know?

🤯 Mind = Blown

🤯 The oldest known sculpture is 35,000 years old — a tiny mammoth carved from ivory.

🌟 Artist Spotlight

🎨 Auguste Rodin's *Thinker* started as a tiny clay sketch.

You did it!

Next: Mobile: Balanced Hanging Sculpture (Part 8)All lessons

🎯

Next Smart Project

We'll pick an art project that matches exactly where your skills are right now.

✨ More to explore

🌍 Where you see this: Pots, cups, sinks, statues — anything you can hold started as squishy stuff.

🏆 Try this week: Sculpt with playdough or even mashed potato. The tool doesn't matter.

👨‍👩‍👧 At dinner: “Tell me about the part of your sculpture you're proudest of.”

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Plaster Casting a Hand (Part 8)

Techniques you'll practise

You will need

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Plaster Casting a Hand (Part 8)

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