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Making Molds from Nature

Updated on September 15, 2014
Gayle Dowell profile image

Gayle Dowell is a jewelry and watercolor artist. She currently teaches art to a homeschool co-op highschool class.

Why I Make Molds and How I do It

Creating metal clay jewelry pieces from nature is an easy process when you know how to make molds from those natural elements. Metal clay is a clay material that can be formed with molds, carved in its dry state and fired in a kiln or torch fired until the pieces are a solid metal. This clay material has opened up design possibilities and since I'm so inspired by nature, creating jewelry pieces using metal clay and molds of natural elements just made sense. This lens will show how I make molds of the grasses and flowers that I use in making my jewelry. These molds can be used to form pieces from polymer clay or ceramic clay and I'm sure other uses as well.

All photos by Gayle Dowell

Using Polymer Clay or Sculpey Mold Maker to Make Molds

When I started making molds, I used Sculpey Moldmaker. Polymer clay can also be used. It is a great material and as can be seen in the picture below (mold is on the left with the resulting clay piece on the right), it picks up a lot of the detail of the object being molded. I've used this method for awhile, but wanted to find something a little easier to use as this method takes some time because I have to bake the clay after it is molded. I wanted to by-pass this step so that I could easily make molds as I hiked the prairies of Kansas. This molding compound makes a rigid mold that is not flexible.

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Molding Compounds

Depending on how the molding compound will be used and how durable or flexible the final mold needs to be will dictate which molding compound to use. A word of caution, not all air dry modeling clay is the same. I've purchased several different brands and found them to be very different in how they hold up after drying or how well the metal clay releases from the molds. My overall best pick for a molding compound has to be the Sculpey Bake and Bend clay. It is flexible, the clay releases from the baked clay well and it picks up good detail from my grasses and flowers.

Sculpey Bake and Bend Clay, Multicolor, 10-Pack
Sculpey Bake and Bend Clay, Multicolor, 10-Pack

This is becoming my newest favorite clay. It is flexible after baking and gives good detail. Only drawback is that it has to be baked. A plus is that it stays easily workable even out of the package.

 

Using Air Dry Clay for Molds

Model Air Dry Modeling Clay which is an air dry clay, works well and is portable. I got the same great detail as the Sculpey Mold Maker without having to bake it. It takes a long time to dry, but I wedge my pieces between two pieces of clear glass 4" x 4" to transport with the natural element still in the clay and then I let it dry when I get home. I did find that the molds can start to deteriorate if you use a very wet clay in the molds. For me, it works well enough for my more temporary rigid molds, and I like the price as I make a lot of molds. No need to use a mold release on this one as the metal clays do not stick to the molds. In fact, using a mold release will damage the detail. I've found that spraying a clear acrylic spray over the mold helps prolong the life of the mold.

Be aware that not all air dry clay is the same. There is an air dry clay that Crayola makes and it does not hold up well as a mold.

Model Air Dry Modeling Clay, White
Model Air Dry Modeling Clay, White

Not a flexible modeling compound and takes time to dry and cure. Captures detail well and is soft and easy to work with. My #1 choice for rigid molds.

 

Step One

In using Model Air Dry Modeling Clay, I always start by pressing the compound or clay between a non-stick surface and a piece of glass. Flattening the compound first before impressing your object into the compound keeps excess compound from forming over the object, or if molding a fragile object will keep the object from breaking from the pressures of the moving compound.

Step Two

After I flatten the compound in step one, I arrange my natural elements on top of the clay to form a pleasing composition. It is important to make sure to stay clear of edges so the whole piece will be molded which will give more design options when molding the final project with the mold.

Step Three

Next, I take a piece of clear glass and set it on top of the object to be molded which is on top of the modeling compound. I then apply just enough pressure to sink the object in the compound. Using the clear glass bevel tiles (these can be found on amazon or a craft supply store that carries stained glass supplies) allows me to see what is happening as I press and I know when to stop exerting pressure on the item and compound. Also the glass is such a slick surface that the compound does not stick to its surface. I've also used clear acrylic tiles found with rubber stamp supplies.

Step Four

Depending on what I am doing at the time, I either let the compound sit with the object still in the mold compound, or I will take the natural element out as soon as I press it. If I am hiking and need to transport, I will press between two pieces of clear glass and secure with rubber bands until I get home. This protects the surface of the mold in transport. If I am home, I will take the object out of the compound and let dry. I get very little shrinkage with this clay and the mold will be rigid when dry. I usually let it dry all day and flip it over to speed up the drying time. Drying time will depend on the thickness of the mold and air humidity.

Using Silicone Putty for Mold Making

Another mold making option is Easy Mold Silicone Molding Putty for Casting and Jewelry Making 1/2 Pound. Fairly easy to use, it is fast and gives me great detail without any shrinkage. It consists of two different parts of putty that I mix together in equal portions which has to be done quickly before it sets. Then it cures in 25 minutes and it is ready to use. For portability, I divide out my clay in airtight containers before I head out on my hike. I mix the clay on site. I leave the object in the silicone and wedge between two pieces of glass until it sets. This tends to be a little more expensive and I reserve this for molds that I want to use a lot. I have molds that I made two years ago that I still use and I see no wear on them and they stay flexible. As shown in the photo below, I purchase mine from Rio Grande, but the Easy Mold Silicone Molding Putty is the same material.

Step One

With the Easy Mold Silicone Molding Putty, it is important to measure out equal amounts of the two parts of putty. Depending on the brand, it may be different in color. When these two parts are mixed together, the reaction starts and the putty starts to set up. It takes only 3-5 minutes before the putty is at a stage that it sets-up and can no longer be molded. Acting quickly to impress your object after mixing will create better results.

Step Two

The rest of the process is the same as the above tutorial for the Model Air Dry Modeling Clay. Pressing the clay flat, embedding the object by exerting pressure with a piece of clear glass. Be sure to use glass that has a smooth edge for safety reasons. I use beveled glass tiles that are thick, but I've also found thick acrylic tiles in my neighborhood craft supply store. Glass can break under pressure. Set up time is about 25 minutes. The end product is a mold that is flexible, long lasting and has no shrinkage.

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    • Gayle Dowell profile image
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      Gayle Dowell 7 weeks ago from Kansas

      Thanks for the E-bay tip on the coasters! Great idea!

    • profile image

      Julie B 8 weeks ago

      I found glass coasters on E bay which work well for moulding and were very cheap!

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Thanks for the tip. I will have to try it and see if it will work.

    • profile image

      Dawsie 2 years ago

      To help preserve your air dried moods why not use the pave pol glue which goes rock hard once dry all you need to do is mix it 50-50 with water I have used this on fabric as I like the way it goes rock hard and it can then go into the garden as a sculpture. I can not see why it would not work the same for the air dried clay as its a pores so it should work with it. One it will make it last longer and two it will make it water tight. You don't need to brush it on just pour it one and let it drip off that way you won't get any brush marks on your moods.

      I hope this helps :-)

    • profile image

      Moya Joslin 2 years ago

      Really great and practical. The ability to include natural objects is a so nice

    • Natashalh profile image

      Natasha 2 years ago from Hawaii

      Really pretty! I used to capture leaves in resin, but some of them didn't dry well. This would be a great way to preserve leaves and flowers that don't cooperate with poured resin. Very cool.

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Thank you Tim. The beauty of this is the fact that these molds can be used for a variety of creative applications. I feel that I'm only scratching the surface with the possibilities.

    • TimArends profile image

      Timothy Arends 2 years ago from Chicago Region

      Really nice work! I can see how the finished product can be the basis for a whole host of additional craft projects. The possibilities are endless!

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Yes, that I think is half the fun...finding everyday items and repurposing them for your art. Thanks for commenting!

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Thank you Maria. I hope that you found it inspiring.

    • Maria Antonia profile image

      Maria Antonia 2 years ago from North Carolina

      What a great way to incorporate nature into your everyday life, and you made it so simple. Thanks so much for this.

    • gottaloveit2 profile image

      gottaloveit2 2 years ago

      Very good article! I've just started messing around with molds for my clay bowls. I've had some fun looking around and finding everyday items that make a nice impression (pun intended).

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Thanks so much!

    • rebeccamealey profile image

      Rebecca Mealey 2 years ago from Northeastern Georgia, USA

      I love the idea of making molds from nature. Thanks for sharing your expertise and creativity. How very unique!

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      *blushes* Oh, thank you.

    • WeeCatCreations1 profile image

      Susan Caplan McCarthy 2 years ago from Massachusetts, USA

      Beautiful. Even the molds are lovely pieces of art.

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      You are welcome. I'm glad that I can be of help or inspiration to some.

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      I hope that you can find some alternative products in China. I have to admit that the research on the clays were half the fun!

    • Joy Neasley profile image

      Joy Neasley 2 years ago from Nashville, TN

      I love the molds... I am in China right now though, and I cannot find these things... some research will have to be done on my part to see if I can match the clays. I enjoyed the page... very easy to understand and follow. Thank you.

    • lbrummer profile image

      Loraine Brummer 2 years ago from Hartington, Nebraska

      I've often wondered if there was an easy way to make molds. Thanks for all the info.

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      @Arachnea Thank you. It would work very well for making beads and pendants with clay. Hopefully I have shared my experience with the mold making material so that one could find exactly the mold they needed for their work and save them the time and trouble in doing the research themselves.

    • Arachnea profile image

      Tanya Jones 2 years ago from Texas USA

      Now this is useful. I can see this being useful when working with clay for making beads and pendants.

    • Gayle Dowell profile image
      Author

      Gayle Dowell 2 years ago from Kansas

      Thank you! It is really is an easy process and not just an illusion. :)

    • smine27 profile image

      Shinichi Mine 2 years ago from Tokyo, Japan

      I love this. You do make it look easy.

    • BodyHairRemoval profile image

      BodyHairRemoval 3 years ago

      What a unique and cool lense!

    • Gypzeerose profile image

      Rose Jones 3 years ago

      Excellent lens - well deserving of Purple!

    • Bercton1 profile image

      Bercton1 3 years ago

      Very innovative stuff!

    • Jogalog profile image

      Jogalog 3 years ago

      This is a really nice craft that would be great to do with kids too.

    • profile image

      anonymous 4 years ago

      Thanks for the great tips! This looks so easy. I'm inspired now to go make some more molds :)

    • favored profile image

      Fay Favored 4 years ago from USA

      I really like this idea of making molds using organic materials. It gives me some ideas. Thanks.

    • Margaret Schindel profile image

      Margaret Schindel 4 years ago from Massachusetts

      This is a wonderful tutorial for making molds of natural materials, which can be notoriously difficult to mold well! Using the glass to impress organic materials into the moldmaking clay or silicone molding putty makes a huge difference. Your photos are just terrific! P.S. I've never tried using air-dry clay for this purpose, so thanks very much for the tip!

    • junkcat profile image

      junkcat 4 years ago

      I would like to give this a try.

    • Mommy-Bear profile image

      Mommy-Bear 4 years ago

      Great lens. You make it seem so easy I might give it a try.

    • profile image

      Olga_Senukova 4 years ago

      Thank for this lens. I didn't know a lot of this! Olga

    • Scarlettohairy profile image

      Peggy Hazelwood 4 years ago from Desert Southwest, U.S.A.

      I love it! This is a great way to make molds. I've tried it before with polymer clay but the molds are rigid of course after baking. Love this technique!

    • Cynthia Haltom profile image

      Cynthia Haltom 4 years ago from Diamondhead

      How impressive, I have always wondered how these molds were made, I didn't realize that there was a material sold commercially for these type of projects.

    • profile image

      mina009 4 years ago

      Such an inspiring lens, great tips!!

    • Diana Wenzel profile image

      Renaissance Woman 4 years ago from Colorado

      I was just thinking, while out hiking yesterday, that I would love to make some nature inspired art. Love what you have done here. I plan to try it just as soon as I pick up some supplies. Thanks for the great tutorial, photos, and tips. Beautifully presented.

    • profile image

      anonymous 4 years ago

      This is a great step by step on how you create such lovely jewelry! Thank you!

    • brownee lm profile image

      brownee lm 4 years ago

      This is so cool! I am going to have to try this!

    • Cynthia Haltom profile image

      Cynthia Haltom 4 years ago from Diamondhead

      I've always wondered how to work molds.

    • Cynthia Haltom profile image

      Cynthia Haltom 4 years ago from Diamondhead

      I've always wondered how to work molds.

    • aesta1 profile image

      Mary Norton 4 years ago from Ontario, Canada

      I like to work on polymer when I settle down in one place.

    • AtHomeWithMCA profile image

      AtHomeWithMCA 4 years ago

      Very pretty. I'd love to make one of these!!

    • mattcut profile image

      mattcut 4 years ago

      Beautiful work ! Thanks for sharing your experience !