Hey guys! let’s take a look at the topic of modelling clay vs polymer. Do you ever get these confused and wonder how they get classified as such? Yes, it is an interesting topic.
Some clays are more “entry level” than others, as yo may have discovered, and some have a different makeup altogether. Knowing what to expect from different clays can set your mind at ease.
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In this article I hope to enlighten you on these types so you can decide which is best for you and your situation!
I remember when I was in grade school I received something as a gift from relatives, no doubt – called “Plasticine”. It came in this rainbow of vibrant colors and was pre segmented right out of the package.
What you see in the left image is pretty close to what I was using. It was fun to play around with, but you couldn’t get it to make something permanent. That’s because it wasn’t designed to do so. It was mainly developed to give kids an outlet for their creativity no doubt.
Now you may have thought that was called “modelling” clay, but truth be told, it’s not. Modelling clay is actually a different ball game. You can use it for more than just “practice”. The first modelling clay I worked with, at the age I was, was a brand called Das, which was made in Germany, and is an excellent brand. It also dries on its own after you finish doing whatever you want to with it. The material makeup is a composite of things, like minerals and oils.
Polymer clay has a different makeup altogether. It is made from polyvinyl chloride, also known as PVC, and is meant to be cured permanently in a home oven. It’s highly versatile and can be used for everything from jewelry pieces to wall hangings. It comes in lots of different colors too, from conservative neutral colors like white or tan, to bright and funky colors, there are even pearlescent and neon colors, too!
Even so, if you’re looking to get a unique, blended look for something particular you can combine colors with a technique like millifiori in which layers are folded together, in a roll, and then sliced into shapes, or you could add your own colors with something like mica powder or pastel chalk.
It’s got different brands-The two that are the most popular are Sculpey, my favorite, and Fimo, which is a little bit different, but also has most of the above advantages. Fimo has an interesting backstory. Apparently its original creator, a dollmaker from Germany affectionately known as “Fifi”gave the clay its name-“Fimo” is an acronym for “Fifi’s Original Modeling Compound”.
I used Fimo for the first time when I was a junior in high school, but my experience was met with disappointment. I got a defective batch that crumbled right out of the package-what a bummer! So that turned me off to the brand, but little did I know at the time that if I had known about the different composition, I could have added a little water to it and brought it back into shape and softened it up-however, looking back, I think that particular batch was a bad one as the whole brick was in pieces, not just overly hard.
So if you think you’d enjoy the convenience of making sculptures from a type of clay that does not necessitate owning a kiln, I’d recommend modelling clay just be aware that YMMV in several ways – as it cures, which how long will depend on the size and thickness of the clay you use for your project, it will lighten in color as it dries, and it will also shrink somewhat. If you want to use armatures, something to keep in mind. Also, a tendency to crack as a result of the factors mentioned, which you can minimize if you know how to prevent it with some tools and tips.
Polymer would be best for you if you like making small-scale objects, and you’re looking for a product that’s versatile as well as adaptable. And you like the idea of making few changes to your objects.
Well, hopefully this article will help you to decide, I personally would try both and see which kind you enjoy the most! There is no “right” or “wrong” answer here-it all depends on your personal preferences and needs. Good luck to you, and clay on!