Polymer Clay

Fimo and clay tips and tutorials

DIY How To Make Your Own Silicone Molds

by

Druck

In polymer clay, molds and textures are fabulous tools to have. Some of us (ahem, me) spend a lot of time and money collecting different clay molds to use on our work.

Barbara, from Buntwerkstatt, shares a tutorial for making silicone molds using hardware store silicone and talcum powder.

In the tutorial, she comments this should be done outside because the silicone will stink until it’s cured. I also advise doing this with unscented powder rather than baby powder.  This method can use a lot of talcum powder and it smells for ages.

You might want to do a test nub of this to see how long YOUR mix will take to set up. Either do a small glob or a very small mold to test the process. Then you’ll be more confident when you go to mold and cast your final object.

Check out our own tutorial for making silicone molds here.

And here is my own version of the silicon one too.

Making your own molds for clay and crafts is a fun and easy way to create customized shapes and designs. One of the best materials to use for making molds is silicon, as it is flexible, durable, and easy to work with. Here’s a simple tutorial on how to make your own molds using silicon:

  1. Choose your mold shape: The first step is to decide on the shape of your mold. You can use just about any object as a mold, as long as it is small enough to fit in your silicon. Some ideas might include a toy, a small figurine, a seashell, or a coin.
  2. Prepare your object: Before you begin, make sure your object is clean and dry. If it is particularly smooth or shiny, you may want to rough it up a bit to help the silicon stick to it.
  3. Mix your silicon: Follow the instructions on your silicon package to mix the correct amount of silicon. Be sure to mix it thoroughly, as any lumps or bumps will show up in your finished mold.
  4. Pour the silicon: Carefully pour the mixed silicon over your object, making sure to cover it completely. You may want to use a small spatula or tool to help smooth out the surface of the silicon.
  5. Let the silicon cure: Allow the silicon to cure according to the instructions on the package. This will usually take several hours, or even overnight.
  6. Remove the mold: Once the silicon has cured, gently remove your object from the mold. You should now have a flexible silicon mold that you can use to create custom shapes and designs with clay or other materials.

I hope these instructions are helpful as you get started on your own silicon molds! Happy crafting!

 

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Comments

  2. When I tried this a few years ago, I used a chalk powder from the garage and it worked fine. You could try cornstarch! My only concern is the fact that it’s organic but I imagine it would “cure” in the silicone.

  17. I haven’t noticed any change in the ones I’ve made with a version of this. They’re about two years old and not heavily used. I did immediately have some dry / didn’t mix great areas where I picked bits of the mold off but no change later.

  19. That’s a good question. Anything with over hang you’ll want a really super flexible silicone mold. So you’ll need to do some experimenting to get the right texture. If you’re casting a live succulent (rather than an inanimate object) it may be a challenge!

Have you read?

Etsy Feature – City Street Pottery Roller with Handle

There’s something magical about pottery tools that tell a story, and this City Street Pottery Roller does just that. Instead of a simple repeating texture, this roller creates a charming row of houses, windows, and rooftops—instantly transforming a slab of clay into a whimsical little street scene.

What It Is

This Etsy listing features a large wooden roller with a sturdy handle, designed to press detailed cityscape patterns into clay. The impression is wide enough to create a continuous border, so you can roll across a slab and build an entire “town” in just a few passes.

It works beautifully on:

  • Pottery clay and ceramic slabs. 
  • Polymer clay for smaller-scale projects. 
  • Fondant and cookie dough for bakers who love edible art. 

Why It’s Special

  • Detailed & Unique: Each building has character, with intricate windows, doors, and trees in between. 
  • Storytelling Through Clay: Adds instant personality to mugs, trays, or tiles. 
  • Easy to Use: The handle gives you good pressure and control, so your impressions stay crisp. 
  • Versatile Applications: Perfect for both functional pottery and decorative art. 

Inspiration Ideas

  • Roll across a slab to make storybook-inspired trays or platters. 
  • Use as a border on mugs or vases for a cozy, handmade vibe. 
  • Cut sections into tiles to create a miniature clay city. 
  • Highlight the details with underglaze washes or oxide stains so the windows and rooftops pop. 

Why Makers Will Love It

Tools like this City Street Roller encourage playfulness in the studio. Instead of just adding texture, you’re adding narrative—each impression looks like a scene from a quaint European street. It’s perfect for potters who want their work to feel warm, nostalgic, and one-of-a-kind.

You can find it here: City Street Pottery Roller with Handle on Etsy.

This post is part of my Etsy Feature series, where I highlight tools and treasures that spark creativity for clay and pottery lovers. And honestly? This roller might just be the most charming one yet—it makes every project feel like it belongs in a little handmade village.