Make a casting with a mold
A casting is the positive form that comes from the hollow space in your mold. A very basic way to make a casting is to poke a hole in some clay and pour in some plaster. What comes out will be a copy of your finger!
Sculpting
Step 1
A casting is the positive form that comes from the hollow space in your mold. A very basic way to make a casting is to poke a hole in some clay and pour in some plaster. What comes out will be a copy of your finger!
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
Get 7 days of DIY for FREE!
Our Mission
To create a safe space for kid creators worldwide!
Games & Tools
2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraft™, Mojang, Microsoft, Roblox™ or YouTube. LEGO® is a trademark of the LEGO® Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.