Guide

How to use a pottery wheel: centering to trimming

Ten steps from a lump of clay to a trimmed pot, with the speed, water and hand position for each one.

Updated November 2026 · 7 min read

Hands shaping a vase on a pottery wheel
Photo: Unknown author, CC0 1.0, via rawpixel
The short version
  • Learning how to use a pottery wheel comes down to four skills, in order: wedging, centering, opening and pulling. Trimming comes a day later.
  • Center at a fast speed with braced arms; pull walls at a medium-slow speed; trim at a medium speed on leather-hard clay.
  • Use as little water as you can get away with. Pooled water in the bottom of a pot is a common cause of cracked bases.
  • A small, soft ball of clay (about a pound) is easier to center than a big one. Size up once centering feels routine.

A pottery wheel turns a lump of clay into a symmetrical form, but only if the clay runs true at the center of the wheel head first. Almost every beginner problem, from wobbling walls to a pot that tears off at the base, traces back to centering or to too much water.

This guide works for any electric wheel, from a tabletop model to a full-size studio wheel. Where a wheel’s specs matter, such as speed range or centering capacity, the figures are the ones the maker lists.

Before you start: set up the pottery wheel

  • Height and seat. Sit so your forearms can rest on your thighs and your elbows can lock against your body. Many potters sit slightly higher than the wheel head.
  • Splash pan on, bat on. A bat lets you lift a soft pot off without distorting it. Check that the bat pins match the pin spacing of your wheel head.
  • A bucket of water and a sponge within reach, plus a needle tool, a wooden or polymer rib and a cut-off wire.
  • Direction. Most wheels in the US spin counterclockwise, and right-handed potters work on the right side of the wheel head (around 3 o’clock as you look down). Reversible wheels let left-handers work the other way.

How to use a pottery wheel in ten steps

  1. Wedge the clay

    Wedging pushes out air pockets and evens the moisture so the clay behaves the same all the way through. Use ram’s head or spiral wedging for 50 to 100 turns on a canvas or MDF board, then pat the clay into a cone or ball.

  2. Attach the clay to the wheel head

    Throw or slap the ball down hard, close to the center of a dry bat or wheel head. A firm bond stops it from sliding off when you push. Pat it into a rough dome while the wheel turns slowly.

  3. Center the clay

    Run the wheel fast. Wet the clay lightly, brace your elbows against your thighs and push with the heel of your left hand toward the center while your right hand steadies the top. Coning helps: squeeze the clay up into a tall cone, then press it back down, two or three times. The clay is centered when your hands feel no bump as it spins.

  4. Find the center and open

    Slow to a medium speed. Press your thumbs or fingers straight down at the exact center, stopping about a quarter to half an inch from the bottom. Check the floor thickness with a needle tool: push it straight down until it touches the bat and pinch the clay at the surface to read the depth.

  5. Widen and compress the floor

    Draw the opening outward to the width you want the base to be, then press the floor down with your fingers or a rib. Compressing the floor lines up the clay particles and is one of the best defenses against S-shaped cracks in the base.

  6. Pull up the walls

    Slow to a medium-slow speed. With one hand inside and one outside, pinch gently at the base and lift steadily to the rim in one smooth pass. Each pull should thin and raise the wall a little. Three to four pulls is plenty for a beginner cylinder; more pulls means more water and more fatigue in the clay.

  7. Shape the form

    Push out from the inside for a belly, collar in from the outside to narrow. A rib against the outside wall removes throwing lines and firms the curve. Work slowly; shaping at high speed throws the form off center.

  8. Finish the rim and clean up

    Compress the rim with a damp chamois or your fingertips so it resists cracking. Sponge out water from the bottom. Use a wooden tool to trim a small bevel at the base where the pot meets the bat.

  9. Cut off and set aside

    Stop the wheel. Pull a cut-off wire tight and drag it under the pot along the bat. Lift the bat off the wheel and set it on a shelf to dry slowly, loosely covered if the room is dry.

  10. Trim when leather-hard

    When the pot is firm enough to hold its shape upside down, but still cool and damp to the touch, recenter it upside down on the wheel. Secure it with clay lugs or a trimming chuck, and trim at a medium speed with a loop or ribbon tool to carve a foot and remove excess weight from the base.

Fingers opening a centred lump of clay on a spinning wheel
Opening the centred clay while the wheel spins.Photo: Martin Cathrae, CC BY-SA 2.0, via Flickr

What speed should a pottery wheel be for each step?

Makers list a top speed, not a speed per task, so use the stages below as a starting point and adjust by feel. Speed drops as the pot gets wider, because the rim travels faster at the same rpm.

Hands pulling up the walls of a clay cylinder on the wheel
Pulling the walls up into a cylinder at a slower speed.Photo: Martin Cathrae, CC BY-SA 2.0, via Flickr
StageSpeedWaterHands
CenteringFastLight, enough to stop dragBraced elbows, firm steady pressure
OpeningMediumLightThumbs or fingers at dead center
Pulling wallsMedium-slowJust enough to glideLight, even pinch, slow lift
ShapingSlowMinimalRib or fingertips, gentle pressure
TrimmingMediumNone (leather-hard clay)Tool braced against a steady hand
Wide platesSlowMinimalSupport the rim at all times

Listed speed ranges vary a lot between wheels. A slower top speed does not stop you learning, but it makes centering bigger pieces slower.

ProductWheel headMotorSpeedCentering capacity
Speedball Artista Potter's Wheel, 1/3 HP, 11"11"1/3 HP0-220 rpm25lb
Speedball Clay Boss Pottery Wheel, 0.5 HP, 14"14".5 HP0-240 rpmup to 100lb
Brent Model B Pottery Wheel12 inches——150 lbs. continuously
Shimpo VL-Whisper Potter's Wheel14 inchesBrushless DC——
VEVOR 450W Tabletop Pottery Wheel, 11" & 14" Heads11" and 14" turntables450W30-300 RPMup to 11 lbs of clay
Alldeer PW103MAX 11" 350W Pottery Wheel Kit11 inch350W brushless300RPM (foot pedal)15kg clay loads
SKIRFY 9.5" Pottery Wheel Kit with Foot Pedal9.5-inch60W0-160 RPMup to 6.6 lb (3 kg)

Specs as listed by the maker or seller; check the listing before you buy.

How much clay can your wheel center?

Centering capacity is the most useful spec for comparing wheels, but makers measure it differently and many budget wheels do not list it at all. A tabletop wheel that lists 11 pounds handles mugs and bowls; a studio wheel that lists 100 pounds or more handles big jars and plates.

Listed centering capacity

Pounds of clay, as each maker or seller lists it (Alldeer’s 15 kg converted to 33 lb). Not every wheel lists this.

Brent Model BBrent Model B: 150 lb150 lbSpeedball Clay BossSpeedball Clay Boss: 100 lb100 lbAlldeer PW103MAXAlldeer PW103MAX: 33 lb33 lbSpeedball ArtistaSpeedball Artista: 25 lb25 lbVEVOR 450W tabletopVEVOR 450W tabletop: 11 lb11 lbSKIRFY 9.5" kitSKIRFY 9.5" kit: 6.6 lb6.6 lb
Source: Clay at Home catalogue (maker/listing specs)

Whatever your wheel, beginners do best with small balls of clay. Choosing a wheel? See the best pottery wheels for beginners and the pottery wheel category.

Common beginner problems and fixes

ProblemLikely causeFix
Clay wobbles and won’t centerArms not braced, clay too stiff or too bigLock elbows, use a smaller, softer ball, cone up and down
Pot twists or tears at the baseToo much water, clay over-workedSponge out water, fewer pulls, start again with fresh clay
Walls collapseWalls too thin at the bottom, too wet, too fastSlow down, leave more clay at the base, let it firm up
Off-center openingOpening pressed in while the wheel slowedKeep a steady speed, brace hands together
Rim goes wavyUneven wall or uneven pressure on the last pullTrim the rim level with a needle tool and compress it
Crack in the base after dryingFloor not compressed, water left pooledCompress the floor with a rib, sponge out water
Cracks start on the wheelMany drying and firing cracks begin with how the base was thrown. Our why pottery cracks guide traces each crack back to its cause.

Tools that make throwing easier

A starter kit covers the basics: a wooden rib, a loop tool, a needle tool, a sponge and a wire. Add a flexible polymer rib for smoothing, a sponge on a stick for tall forms, and calipers if you make lids.

Our best pottery tool kits and trimming tools roundups compare sets by what they actually include.

Plan for shrinkage before you throw

Clay shrinks as it dries and again in the kiln, so a pot always comes out smaller than you threw it. A cone 6 stoneware that shrinks 12% turns a 4-inch-tall wet mug into roughly a 3.5-inch fired one. If you want a set size, throw bigger by dividing, not multiplying.

Clay shrinkage calculatorEnter the fired size you want and your clay’s shrinkage to get the size to throw.

Who should practice what first?

  • First week: wedging and centering only. Center, cut off, re-wedge, repeat.
  • Weeks two to four: cylinders. A straight cylinder teaches every pull and is the base of mugs and vases. Then try our mug guide.
  • Small-space potters: a tabletop wheel works for all of the above at mug scale. See small-space picks.
  • Kids: kit wheels with air-dry clay teach the motion, not full centering. Check the age the maker states.
Clay shrinkage calculatorConvert between wet and fired size by your clay’s shrinkage percentage, find the right scale-up factor, and…Home studio checklist by stageAn interactive home pottery studio checklist in four stages: no-kiln start, first wheel, home kiln and small…

Questions

How do you use a pottery wheel for the first time?
Wedge a small ball of soft clay, slap it onto the center of the wheel head, and spend your first sessions just centering. Opening and pulling walls come once the clay runs true without wobbling.
Why can’t I center clay on the wheel?
The usual causes are unbraced arms, clay that is too stiff or too big, and a wheel running too slowly. Lock your elbows against your legs, use a smaller ball and run the wheel fast.
How long does it take to learn the pottery wheel?
It varies widely. Most beginners need many sessions before centering feels consistent. Regular short practice helps more than occasional long sessions.
What direction should a pottery wheel spin?
In the US most wheels spin counterclockwise and right-handed potters work on the right side of the wheel head. Left-handed potters often reverse the wheel and work on the left.
When should I trim a pot?
At leather-hard: firm enough to turn upside down without distorting, but still cool and slightly damp. Too wet and it smears; bone-dry and it chips and makes dust.
Can you use air-dry clay on a pottery wheel?
Some air-dry clays can be shaped on kids’ kit wheels, but they are not made for throwing or firing. Check the maker’s instructions for each clay.

Sources

  1. Ceramic Arts Network, How to determine clay shrinkage and make a shrink rule
  2. NIOSH, Engineering controls for ceramics