Consistency Is a Skill
Once your clay is wedged, it's tempting to rip off a chunk and start throwing. But if you want to actually improve, grab a scale first.
Why Weight Matters
Every time you throw with a different amount of clay, you are fighting a new challenge. One session you have 600g, the next 900g. The forms you make will naturally vary, and you won't know how much of that variation is your skill and how much is just the clay amount.
Weighing removes that variable. When all your clay balls weigh exactly the same, you can focus entirely on your technique.
Standard Weights to Know
- 300–450g (0.7–1 lb): Small cups, espresso cups, small bowls
- 450–700g (1–1.5 lbs): Standard mugs, medium bowls
- 700g–1kg (1.5–2 lbs): Large mugs, generous bowls
- 1–1.5kg (2–3 lbs): Serving bowls, vases, tall forms
These are starting points, not rules. As you develop, you will know instinctively how much clay a form needs.
The Repetition Drill
Here is one of the best exercises in pottery:
- Weigh out 8 balls of clay at exactly the same weight (say, 500g each).
- Throw them one after another without stopping to admire any of them.
- Try to make each one taller than the last, or the same height.
Since the weight is constant, any improvement you see is purely from your hands getting smarter.
Premium Drill: Measure Your Progress
After your set of 8 forms:
- Line all pieces up side by side.
- Measure height and rim diameter with a ruler.
- Note variance in a notebook.
- Repeat next session with the same clay weight.
Tracking variance makes improvement visible and motivating.
Dig Deeper
The repetition drill described above is a form of deliberate practice, the same learning method researchers have found behind expert performance in music, sports, and craft. Shoji Hamada famously threw hundreds of identical tea bowls in a single session, believing that consistency was the path to mastery.
