When sculpting the human figure, everything begins with a solid foundation — and that foundation is the armature. But before jumping in, it’s essential to understand what you’re building it for. In this case, we’re creating an armature to support a standard-scale figure in oil-based clay (plasticine). The final piece might be molded, or it might simply serve as a sculptural study. Either way, the armature plays a crucial role in supporting your process.
Now, some sculptors choose to work with water-based clay. That’s totally fine, but there’s an important limitation to keep in mind: you can’t fire a piece that has an internal armature. As the clay dries, it contracts — and the wire inside will prevent this natural shrinkage, causing cracks. So if your goal is to fire the sculpture, you’ll need to build it without an armature entirely.
Over the years, I’ve come to recognize a few essentials that make an armature truly functional. It needs to be strong and well secured to its stand so that it holds up under the weight of the clay. But at the same time, it should be flexible enoughto allow minor adjustments as you block in the pose. Most importantly, it must be built to the correct proportions — because once things start drifting off scale, it’s hard to recover.
When it comes to materials, the best option by far is aluminum wire. It bends easily, holds its shape, and is strong enough to act as a skeleton for your figure. Avoid steel wire if you can — it’s far too stiff and makes the process frustrating and difficult. Unfortunately, aluminum wire isn’t always easy to find. That’s why I make it available on my website. But if you’re based far from New Zealand (which, let’s face it, is almost everyone! 😄), you might have luck at local hardware stores or art supply shops. And of course, there’s always the option of ordering it online.
A general rule: the bigger the sculpture, the thicker the wire you’ll need. It’s a simple but important principle that makes a big difference in stability.
To help you get started, I’ve put together a video tutorial walking through the entire process — step by step — to build an armature for a 1:4 scale figure. You’ll see how I set the wire, align the proportions, and attach all toguether. It’s not just about mechanics — it’s about setting yourself up for a smoother sculpting process from the very beginning.
In the next article, I’ll go deeper into the subject of armature stands — how to build them, why they matter, and what to avoid.
Thanks for being here — and see you in the next one.
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