How to Make a Plaster Mold to Create Thin-Walled (Hollow) Silicone Molds.  A Successful Experiment

How to Make a Plaster Mold to Create Thin-Walled (Hollow) Silicone Molds. A Successful Experiment

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Do as I Do
1 Video View·Mar 6, 2025

How to Make a Plaster Mold to Create Thin-Walled (Hollow) Silicone Molds. A Successful Experiment.
In this video, I take you step-by-step through the exciting process of making a plaster mold to create thin-walled, hollow silicone molds. Whether you're a beginner or an experienced crafter, you'll find this experiment easy to follow and packed with helpful tips to make your own molds. We dive into the details of using plaster, showing how it can be a great tool to shape your silicone molds with precision.

I use affordable and easy-to-find supplies, so there's no need to stress about getting started. The key here is experimenting with different techniques, and we'll show you how to avoid common mistakes along the way.

As we progress, you'll see how plaster serves as the perfect base to form hollow silicone molds. I explain why it's important to get the thickness of the plaster just right to achieve those thin, delicate silicone walls. It's all about finding the balance to ensure your molds are durable yet flexible.

By the end of the video, you'll understand the entire process, from mixing the plaster to pouring the silicone. We also highlight some troubleshooting tips to make sure your molds come out perfectly every time. This is a great experiment that opens up tons of possibilities for future mold-making projects.

If you’ve been curious about how to create hollow silicone molds with thin walls, this video will answer all your questions and leave you feeling confident to try it yourself. It’s a successful experiment that shows you exactly what’s possible with a little bit of creativity and patience!

Necessary materials and tools:
• A piece of plywood;
• A silicone mold for copying;
• A pencil, a knife, a lighter, a kitchen scale;
• Hot glue;
• Thick paper;
• Plaster and water;
• A mixer for plaster;
• Soapy water and a release agent;
• Compressed air;
• Acrylic varnish and varnish in a can;
• Brushes;
• Masking tape;
• Drills;
• Silicone for making molds;
• Syringe;
• Clamps.
Check out my other interesting videos:

Clone Any Silicone Mold with This Simple Trick | How to Make Silicone Mold for Cloning DIY: https://youtu.be/gm2j3SYgWPE

From 3D Print to Silicone Mold Crafting a Holy Masterpiece DIY!: https://youtu.be/HHB6rT7f4Hc

How to Make a Big Silicone Mold DIY: https://youtu.be/RxWj-KEyOVE

Crafting large silicone mold of the Birth of Jesus Christ. Laser cutting and casting of plaster DIY: https://youtu.be/zENO2ssrOtc