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How to Make a Resin Mold

by Jane and Sonja 8 Comments

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If you've ever wondered how to make a resin mold, this list of different types of DIY resin molds will help you find the best one for your next project. via @resincraftsblog

If you’ve ever wondered how to make a resin mold, then you’ve come to the right place! Here you’ll find a full list of different DIY mold options with links to tutorials for creating them along with examples of various DIY projects from resin to food and all things in between.

making a resin mold

The type of mold can really make all the difference with a resin project.  And knowing which type of mold to use will ensure your end project turns out just as you imagine.

Take these driftwood buttons as an example.  One of my favourite things to do with my family is to go beach-combing for treasures to make decorative wood buttons. The texture of the weathered wood and irregular shaped pieces make very interesting buttons. The only down-side is that they are more decorative than functional. The solution: create driftwood shaped buttons using resin instead. But in order to do so, we need to make a mold. Based on the characteristics of each, we chose to make a mold out of EasyMold Silicone Putty which you can find the instructions for below.

Materials to Make Resin Molds

EasyMold Silicone Putty

  • Perfect for small impression type molds
  • Easiest type of mold to make: is mess-free, quick and versatile
  • For use with Castin’ Craft Clear Polyester Casting Resin, EasyCast Clear Casting Epoxy, wax, baking, chocolates, ice cubes, soap, plaster, air dry clay, concrete and low melt metals
  • Odorless, Non Toxic. FDA Compliant, Food Grade
  • Reusable
  • Working time is 3 minutes with mold fully cured in 25 minutes
Silicone Putty 1 pound

EasyMold Silicone Rubber (Liquid)

  • Creates a blanket, glove or block mold that captures extremely fine details
  • For use with Castin’ Craft Clear Polyester Casting Resin, EasyCast Clear Casting Epoxy, wax, baking, chocolates, ice cubes, soap, plaster, air dry clay, concrete and low melt metal
  • Odorless, Non Toxic. FDA Compliant, Food Grade
  • Reusable
  • Working time is 45 minutes with mold fully cured after 24 hours
Silicone Rubber 1 pound

Mold Builder Liquid Latex Rubber

  • Used to duplicate figurines, sculptures and other items
  • Finished molds used to cast paper, plaster, candle wax, soap, casting resin or casting epoxy
  • Flexible and reusable
  • Applied with a brush over multiple layers requiring a longer working time
32 oz mold builder

How to Make a Resin Mold using EasyMold Silicone Putty:

Creating a Skull Mold

This skull mold is perfect for creating spooky Halloween decor or gothic-inspired accessories, such as the painted gun metal skull napkin rings shown here.

ETI Skull Mold Finished

Creating a Seashell Mold

This project combines two of our favourite things: the beach and chocolate!  Create beautiful shaped seashell chocolates as cupcake toppers or simply to enjoy!

Making a Ring Cone Mold:

Create a beautiful faux-marble ring cone by making a simple cone shaped mold with paper and EasyMold Silicone Putty.

How to Make a Resin Mold using EasyMold Silicone Rubber (Liquid):

DIY Candles 

If you have a favorite trinket or figurine, you can use EasyMold Silicone Rubber to capture the fine details in a block mold such as this one for making owl shaped candles.

Silicone Rubber Mold Candles

DIY Lego Candy Mold

Have any Lego pieces lying around? Then make your own fun Lego mold by simply pouring the liquid silicone rubber over top. This mold can be used to make lego candy, chocolates or even more resin lego pieces!

DIY Lego Mold using silicone rubber - keep pouring into same spot and fill the entire form

Creating a Mold using Mold Builder Liquid Latex Rubber:

Considered one of the more cost effective ways of making a mold, refer to this video to see how this Mold Builder Liquid Latex Rubber is created to make a fish-shaped candle votive.

Making a Driftwood Button Mold with EasyMold Silicone Putty:

Our preferred product for making molds is the EasyMold Silicone Putty, mostly because it is quick and mess-free, which leaves us with more time to create! Keep reading to see how quickly the driftwood button mold comes together!

Resin driftwood button mold

Materials Needed:

  • EasyMold Silicone Putty
  • Driftwood buttons
  • Ultra Seal Multi-Purpose Sealer or clear drying liquid glue
  • Paintbrush
  • Gloves, stir sticks, parchment paper
supplies for making a driftwood mold using EasyMold Silicone Putty

Instructions for making a mold with EasyMold Silicone Putty:

Preparing the surface

Since the surface of these wood buttons are rough and porous, we coated them with a sealer. Using a paintbrush, apply a coat of liquid glue over the surface of the wood button.

sealing the wood before making mold

If the glue settles at the top of the buttonhole, poke it with a toothpick.

sealing the driftwood button

Take time ensuring all crevices are coated and then when the glue is dry, turn buttons over and seal the other side. Allow glue to dry fully before proceeding with the silicone putty.

Creating the Mold

EasyMold Silicone Putty has 3 minutes of working time at regular room temperature, which means you need to work quickly. Read the instructions on the packaging prior to starting any resin project.

Mix only enough to make one mold at a time. Measure equal sized amounts of components A & B.

Equal parts A & B of EasyMold Silicone Putty

For these 3″ long driftwood buttons, my components were each about two tablespoons each.

mix equal parts of EasyMold Silicone Putty

Quickly knead together the components until it is a uniform color, free of any swirls. This process takes about a minute.

Roll the kneaded components into a ball and then flatten so you have enough to wrap fully around the sides of the driftwood button.

Press putty firmly around the button.

Leave the button inside the mold for about 25 minutes while it cures. Remove the button and the mold is ready to be used!

making a resin mold

We’re looking forward to making our beautiful coastal-inspired resin buttons.

Like it? Pin it for later!

How to make a resin mold

Jane and Sonja
Jane and Sonja

Jane and Sonja are sisters, moms and lifelong craft addicts both living near Toronto, Canada with their families. They share their love of creativity, nature and coastal DIY ideas on their blog Sustain My Craft Habit. They craft and decorate their homes using repurposed and upcycled items and materials found in nature.

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Filed Under: Molds, Resin Projects, Resin Tips

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Reader Interactions

Comments

  1. Annisa

    September 18, 2020 at 8:07 am

    Hello

    Please can you try/experiment to make a cake topper using resin. Acrylic cake toppers are in trend on Instagram but i was wondering can we use resin to make a cake topper? Would love to see your opinion/work on this!

    Many thanks x

    Reply
    • Lydi

      September 30, 2020 at 9:49 pm

      HI Annisa! Since resin isn’t food safe we wouldn’t recommend it for that use. Sorry!

      Reply
  2. Ana

    October 7, 2020 at 9:33 am

    I would like to pour resin on the top of a round 17” inch wood plate, how can I make a mold or a border to contain the resin on top?

    Reply
    • Lydi

      October 26, 2020 at 10:01 am

      Hi Ana! The best best is to protect the area under the table and let the resin drip off the edges as it levels, then you can periodically brush the underneath of the table edges to clean up any resin drips.

      Reply
  3. Cindy Seguin

    April 6, 2021 at 2:12 pm

    I’d like to make a desk top holder for tv remotes on a base. My disabled daughter is in a wheelchair and drives up to the remotes that we have tried to fasten in place for her to use the remotes. She can only use one hand so she can’t hold the remote.

    Reply
    • Lydi

      April 11, 2021 at 3:17 pm

      That’s a great idea! Do you have something like to create the mold?

      Reply
  4. Tiffany Nielsen

    May 8, 2021 at 5:47 pm

    How do you create large-scale resin molds? I’l like to organize sea glass into a saying and then set it in resin to create a sign for our house but I don’t know where to begin. Any suggestions?

    Reply
    • Jane and Sonja

      May 9, 2021 at 8:46 pm

      Hi Tiffany,
      That sounds like a really interesting project! I’d suggest taking a look at the Mold Builder Liquid Latex Rubber product: https://eti-usa.com/mold-builder-liquid-latex-rubber/ . Take a look at the video to see if it might do the trick. The other option would be the EasyMold Silicone Rubber: https://eti-usa.com/easymold-silicone-rubber-liquid/ . You can see how we used it to make a napkin ring mold from acorns: https://sustainmycrafthabit.com/silicone-mold-making/ . I hope this help!
      Jane

      Reply

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