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Introduction to Sculpting in Polymer Clay

Updated on February 5, 2017

An Overview of Basic Skills and Tools for Sculpting in Polymer Clay

I have many lenses here on Squidoo about sculpting in polymer clay but none that really give a good overview of what you need to get started. This lens is about the essential information you need to get started sculpting in polymer clay, then you can move on to my other lenses for more in details on specific sculpting topics.

What is Polymer Clay?

Polymer clay is a non-toxic man-made sculpting material which stays pliable until cured at relatively low temperatures, typically between 265 and 275°F (129-135°C).

There are a number of brands and specialty clays with different properties.

For more in depth information see the Wikipedia Polymer Clay article.

Major Brands


  • Sculpey
  • Sculpey III
  • Super Sculpey (Original and Firm)
  • Premo! Sculpey
  • Translucent Liquid Sculpey
  • Sculpey Super Flex
  • Sculpey UltraLight
  • Sculpey Clay Softener


  • Fimo Soft
  • Fimo Classic
  • Doll (Puppen) Fimo
  • Fimo Liquid (Deko Gel)
  • Fimo Lacquer
  • Fimo Effects
  • Fimo Mix Quick

Donna Kato

  • Kato Polyclay
  • Kato Liquid Polyclay


  • Prosculpt Clay
  • Prosculpt Smoothing Oil

Other Brands: Cernit, Pardo

Which Brand Should I Choose?

Most polymer clays are good for sculpting so it's mostly a personal choice as to which one you use.

Clays that work well for sculpting include Super Sculpey, Super Sculpey Firm, Premo! Sculpey, Fimo Classic, Puppen Fimo, Prosculpt, and Kato Clay. Generally you can mix different colors and brands of polymer clay together to get custom mixes.

Clays that don't work particularly well and should be avoided include: Original Sculpey, Sculpey III, and Fimo Soft are not durable enough for sculpture. Specialty clays like Granitex (which has a gritty rock-like texture) and the liquid clays are not for general sculpting but work well for certain effects.

The most important thing to know is...

Anyone can sculpt. How well you sculpt is related to how much time and effort you put into learning and your own creativity.

Is Sculpting in Polymer Clay Different than Sculpting in Other Clays?

The modeling properties of polymer clay are similar to working in oil based plasticine clay. Polymer clays are a little more rubbery and less sticky than plasticine but otherwise you can generally sculpt in polymer clay like you would with oil based clays.

There are a few things with polymer clay that differ from other clays:

Smoothing - Unlike with natural clays polymer clay can't be smoothed with water. Instead isopropyl (rubbing) alcohol at 90% or 70% solution, sculpey clay softener (also called diluent), acetone, or turpenoid can be used for smoothing. Acetone and turpenoid are both highly toxic chemicals so I don't recommend using them but they do work. Always leave a sculpture to dry at least overnight after smoothing before curing the clay.

Leaching and softening - Sometimes polymer clay can be either too soft or too dry, both can be remedied.

If clay is too soft you can leach it, this is done by laying rolled sheets of polymer clay between plain white paper (colored or printed paper will transfer ink to the clay), stacking books or other heavy objects on top, and leaving it for several hours or overnight. The paper absorbs the excess plasticizers in the clay firming it up.

If clay is too dry you can mix a few drops of sculpey clay softener (diluent) or a small piece of fimo mix quick into the clay. This will soften the clay by adding more plasticizers.

Basic Polymer Clay Safety

Sculpting tools should be dedicated to clay work and should never be used for food afterwards. That includes rolling pins, baking sheets, and knives. I also recommend using a dedicated toaster oven and if you must use your kitchen oven (say for sculpts that don't fit in the toaster oven) you should either clean it afterwards or enclose your sculpt in a roasting bag/aluminum foil.

Clean your oven thoroughly after baking polymer clay unless it is dedicated to polymer clay use or if clay was baked in a sealed container like a roasting bag.

Follow common sense when handling sharp or hot objects. Always wear safety glasses if using a powertool such as a dremel.


Polymer clays are certified non-toxic but there is some controversy over the presence of pthalates in polymer clay. The jury is still about on how harmful the pthalates used in polymer clay really are but they are in some polymer clays to make them more pliable. These chemicals can enter your skin while you are handling the raw clay (however no evidence exists that these chemicals can leach from cured clay into skin). If you are worried about it you should wear latex or nitrile gloves, barrier creams may also work.

Due to concerns about pthalates and new European Union regulations most polymer clays will be changing their formulas within the next couple years. Kato Clay will be the first rolling out the new formula in the US. Read more about it from Katherine Dewey.

Beginner's Tool Set

My recommendations for a very basic tool set to start with. You can then build on this set either buying or making more tools as you go.

Work Surface

Polymer clay isn't as messy as some clays but it can make a mess and it can damage wood furniture so you need a dedicated work surface for sculpting. Good options are:

Glass - This can be a plain sheet of glass (put masking tape on the edges if they're sharp) or a glass cutting board. I even found an old round glass table top that was going to be thrown out that works great. One of the benefits of glass is that you can slip reference diagrams and photos under it.

Craft Mat - Self healing craft mats are typically sold for scrapbooking or quilting but they also make good surfaces for clay. They usually also have a measured grid that can be useful.

Cutting Tool

I recommend a good sharp craft knife such as those by x-acto. A dull knife will work but you won't get good crisp edges.

Rolling Tool

This can be a rolling pin, acrylic roller, heavy drinking glass, or a pasta machine. Anything that works to roll out sheets of clay.

Simple Modeling Tools

You can get a basic set of 6 wooden sculpting tools at just about any art store. Get the wooden ones, they aren't much more than the plastic sets and they work much better.

Loop Tools

Loop tools are for removing fine bits of clay from your sculpts. You can buy these at an art store or make them with dowels, music wire (like from guitar strings), and glue. See my Polymer Clay Sculpting Tools lens for more about making tools.

Needle Tool

Needle tools are exactly what they sound like, a needle-like metal spike on a wooden handle. They are useful for scribing lines and poking holes in clay. You can buy one from an art store or make one using a dowel and a heavy tapestry needle.


I use a small toolbox for my sculpting tools but a desk drawer, pencil box, shoe box, etc. all work well for keeping tools organized and in one place.

What is an Armature?

The armature is the skeleton of your sculpture. It's an internal structure that gives added strength and support your sculpture to keep it from breaking and also reduces the amount of clay you need to use. Armatures can be made from a variety of materials such as wire, crumpled up aluminum foil, sculpting epoxy such as Aves ApoxieSculpt, Sculpey Ultralight clay, or a combination of materials.

Do I need an armature?

If you are doing any complex figure with thin extremities such as arms, legs, tails, etc. or a large figure you need an armature. The reason large figures need armatures is that any layer of polymer clay thicker than 1/2 inch is difficult to cure thoroughly and evenly so a large sculpture should be bulked out with some other material such as aluminum foil or epoxy.

The Basic Techniques of Sculpting in Clay

There are three general techniques for sculpting in clay which all other techniques fall under. These are my own terms.


This is adding clay to your sculpture. Taking little bits, they can be balls, snakes, sheets, chunks, etc. You layer pieces onto your sculpture until you get the rough shape you want.

Pushing Around

This is taking your fingers and/or sculpting tools and pushing, pulling, blending, raking, and otherwise moving the clay around to refine the shapes of your sculpture.


Taking away clay, carving it, removing sometimes tiny slivers to refine shapes or add texture.

Isn't there more to it?

Of course there is. There are hundreds of things to learn about sculpting specific subjects from people to animals to fabric. However no matter what you sculpt you are going to be using these basic ideas of adding, subtracting, and pushing around clay and there is no way for me to teach you to do this in an article, it requires getting your hands in the clay, playing with it, practicing creating shapes and textures to figure out what works for you.

You have to practice constantly to improve your ability to shape clay, the same way a musician practices playing scales. Its not because a scale is a piece of music anyone wants to listen to but because it's a basic skill that improves their ability to play.

Don't imagine I think learning things like proper anatomy, studying your subjects, etc. aren't important. They are vital skills themselves but no amount of knowledge of anatomy is going to help if you don't have the skill to translate that anatomy into the clay.

What Do I Do When I've Finished My Sculpture?


Polymer clay never dries out, in order to harden your sculpture it needs to be cured. Polymer clay cures at a fairly low temperature of around 275°F (135°C) generally in a conventional or toaster oven. I recommend the ramp method of curing sculpture which can be found on my Techniques for Curing Polymer Clay lens.


After your sculpture has cured you can choose to either leave it the color of the clay or paint it. There are many techniques you can use for painting polymer clay sculpture from light washes of color, to brushing thicker paint on, sponge painting, airbrushing, liquid polymer clays, applying soft pastels, or mica powders. My lens on Painting Polymer Clay Sculptures goes over the most common techniques.

Avoid lacquer based enamel paints, they will not dry properly on polymer clay and remain sticky. Acrylics work best, oil paints especially heat set oils are also effective.

Feedback? Comments? Questions?

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    • profile image


      5 years ago

      Your thoughtful and extensive tutorials are the best I have found on the net. Great information, well presented, orderly and concise. Thank you so much, it means a lot to me to be able to

    • RussnJo profile image


      5 years ago

      I enjoy working with polymer clay, and have wanted to branch out with sculpting, you've given some really great information here.

    • GreenfireWiseWo profile image


      6 years ago

      Wonderful ideas and information. Thank you.

    • seodress profile image


      6 years ago

      Informative and helpful.

    • tfsherman lm profile image

      tfsherman lm 

      6 years ago

      Thanks a lot for this starter info, just what I needed.

    • justramblin profile image


      6 years ago

      I love polymer clay. Didn't know about putting clay in roasting bag before placing in oven. good tip. Thanks

    • Thomo85 profile image


      7 years ago

      Hi your lenses are extremely informative, excellent content, would love your opinion on my lens and my most recent polymer clay project, the spider.

    • profile image


      7 years ago

      We have both regular clay and polymer clay, and the kids use both for different purposes. When I want less mess because we have limited when they HAVE to make themselves a Ben 10 figure before school....polymer clay rules the roost.

    • Carmen Perdomo profile image

      Carmen Perdomo 

      7 years ago

      Loved the article, however, I'd gave up polymer clay for earth-based clay, time and time again. I see the benefits of working with polymer clay, but terracotta is much easier to work with and it give me more peace of mind (less to worry about).

    • profile image


      7 years ago

      I am a beginning artist and thought this was a great lens with great explanations. Thanks!

    • profile image

      Kathleen Hiler 

      7 years ago

      Very informative lens :) I made several sets of flower faces with ribbons and beads on them..floral stemmed and wrapped in the greenfloral tape..put them into painted watering cans..was great fun and ended up selling one of the sets;0

    • profile image


      7 years ago

      @Sheryl Westleigh: I just dug my daughters old fimo clay out of the attic, and it is dried out. I tried to soften it with water, which did soften it, but, it still crumbles. What if anything can I use to make this clay plyable again. I want to use it to practice making pieces for jewelry. Any help will be greatly appreciated.

    • profile image


      7 years ago

      When working on a clay project how long can you leave it before it gets to hard to work with again? Is it something that once you start you must finish to bake?

    • Sheryl Westleigh profile imageAUTHOR

      Sheryl Westleigh 

      7 years ago from Maine

      @anonymous: I disagree, polymer clay isn't water based so it doesn't really dry out. I suppose you could leave it out long enough for the clay to lose a lot of the plasticizers in it but it would take a long time. I've left pieces out unbaked for weeks while I work on it. You should cover it with plastic though so you don't get dust or pet hair on it.

    • profile image


      7 years ago

      @anonymous: Well clay takes many days before drying and many months before completely crumbling. What you can also do is cook a part and then add clay onto it and cook it again. So you don't have to worry about it drying in on you. It also helps if you put your project(if small)in a plastic bag to keep it soft and pliable. I hope I helped you out and good luck with whatever you are making.

    • profile image


      7 years ago

      How long can you work on/ leave a clay project before baking.

    • Ann Hinds profile image

      Ann Hinds 

      7 years ago from So Cal

      I can't find what I want to decorate cigar boxes in shabby chic. I ran across polymer clay and then remembered that I had also seen it on Squidoo. This is very helpful and now I am ready to move on to your other lenses. I want to make cameo frames and buttons. Angel blessed for the very clear and concise information.

    • profile image


      7 years ago

      Hi, I just came across this article or, lens, while searching the internet for instructions on sculpting with polymer clay. Thanks so much for the info! I began "reborning " dolls about 5 months ago, and although I haven't perfected the art, I fell in love with it, but really ,really, want to learn how to sculpt a baby! The main reason being, I love painting all these details, but I would really love to create all the features also. Sorry, I'm rambling :) Anyhow, thanks again :)

    • profile image


      7 years ago

      thanks so much for sharing your wealth of knowledge and experience! This lens is great help to me as I'm just starting to get into working with clays :) god bless you!

    • profile image


      7 years ago

      Informative lens - it would be a nice experience to let lose one day and be creative with polymer clay :)

    • gottaloveit2 profile image


      8 years ago

      I used to use polymer clay to jazz up the bottom of wine glasses or vinegar bottles. Nice lens.

    • auntjennie profile image


      8 years ago from Canada

      Great information on working with Polymer Clay. I'm just learning about the medium, so this was extremely helpful.

    • ludyshubs profile image


      8 years ago

      I am glad I found this lens. I will be back. It contains very useful information.

    • John Dyhouse profile image

      John Dyhouse 

      8 years ago from UK

      I would love to try sculpting, this lens may just be the thing to get me to stat actually doing something about it.

    • profile image


      8 years ago

      Do you know of any workshops or instruction books using polymer clay with metal clay?

    • profile image


      8 years ago

      Phyllis Seidl

      this is an immensely interesting & helpful site. Thank you.

    • mariaamoroso profile image


      9 years ago from Sweden

      I would just love to try!

    • Sheryl Westleigh profile imageAUTHOR

      Sheryl Westleigh 

      9 years ago from Maine

      @anonymous: Polymer clay should work fine for that, you will want to build a good armature (I'd go with steel or brass rods instead of wire if you want the joint to move) and bulk up the form of the bones with aluminum foil or sculpey ultralight. If you want a static knew joint you can sculpt the tendons and ligaments in polymer clay as well with wire support inside.

      If you need it to be a working joint I'd consider using large stretchy rubber bands or tubing, say like the kind used for resistance exercise. You can find those cheap at walmart and cut them up using screws to attach them to the sculpted bones. Use the stretchiest ones you can, too stiff and the tension could crack the clay where you've secured it

    • profile image


      9 years ago

      hello, i am doing a project where i have to create a model of the knee joint. which type of clay would work best? also, any ideas for what i can use for ligaments, tendons etc.?


    • profile image


      9 years ago

      Santa brought me some clay and a pasta machine, been wanting to sculpt for quite a while! I will surely refer to this great lens for much needed help and advice, thanks for a super lens!

    • Sheryl Westleigh profile imageAUTHOR

      Sheryl Westleigh 

      9 years ago from Maine

      @anonymous: Polymer clay is ideal for small figures, it's quite lightweight. You do want to use a wire armature for some added support inside.

    • profile image


      9 years ago

      I have longed to make a nativity scene. I am an amateur, but love to sculpt. I have only done the lost wax method, then bronze. I need a lighter medium as the scene would have approx. 3' high figures. Have not figured out what medium for the bodies. They can't be too heavy. I found this sight very informative and would love to hear any comments.

    • profile image


      9 years ago

      Very informative. I'm a real green horn when it comes to this medium, but so love it. I love wire work and want to incorporate the two. Your words are so on it's mark. Mahalo.

    • dustytoes profile image


      10 years ago

      Your lenses have caused me to want to try my hand at this. I'll be referencing your lenses for answers to my many questions...great job!

    • profile image


      10 years ago

      Lots of great info. I make many figures out of clay but needed certain tips and got them here. thanx.

    • profile image


      10 years ago

      Thanks so much for the concise info -- the best on the web

    • profile image


      10 years ago

      Thank you so much for taking the time to write about the basics of polymer clay. I'm just

      getting started. I have Premo in hand as I type (well, I put it down to type). I'm excited to

      try this fascinating art form!

    • profile image


      10 years ago

      Thank you so much, this is wonderful !!

    • sukkran trichy profile image

      sukkran trichy 

      10 years ago from Trichy/Tamil Nadu

      really a great lens with good information, nice tips and valuable guidance. thks


    • delia-delia profile image


      10 years ago

      great lens! years ago i made jewelry from polymer clay, I enjoyed it but was time consuming for me...too many interests I can't keep up with....5*

    • profile image


      11 years ago

      Thank you so much for this lens. I am a beginner and have found this information invaluable in helping me get started. Thanks!

    • profile image


      11 years ago

      Hi Sheryl, you're a resourceful creature indeed! I like the way you put things together here and on your site...I found you thru the ooak guild, XRuth

    • WritingforYourW profile image


      11 years ago

      Looks like a fun hobby to try. Great information!

    • Kiwisoutback profile image


      11 years ago from Massachusetts

      I sculpted some things in high school, I'm a much better painter though. It's really difficult for me, but you've made some excelllent suggestions. Nice work here on this lens!

    • The Homeopath profile image

      The Homeopath 

      11 years ago

      I'm not very talented in the sculptin department, but I have made some 1/12 scale butterflies for my dollhouse - they came out very well. Polymer clay has been an absolute godsend to the miniatures community.

    • Teacher Adez7 profile image

      Teacher Adez7 

      11 years ago

      Hi Noadi, Found this lens on Stumble and I just love it. So here is my two cents and my star dust to help it along its path~~! :)

    • TonyPayne profile image

      Tony Payne 

      11 years ago from Southampton, UK

      This is a really nice detailed lens. 5***** well deserved. I always wanted to work with clay, just never had the chance, and I'm not that artistic either.

    • RuthCoffee profile image

      Ruth Coffee 

      11 years ago from Zionsville, Indiana

      Interesting, certainly easy to understand. Now all I need is eye hand coordination and like 40 billion hours of practice. You have impressive work!


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