Pottery Designer

Start from

Clay and shrinkage

Clay body Total shrinkage %

Wet (just thrown) to fired. Throw larger than the finished size.

Measure from a test tile

Mark a line on a freshly made tile, fire it with your usual glaze firing, then measure it again.

Wet line mm Fired line mm

Shrinkage 12%

Dimensions

	Fired	Throw at
Height
Widest Ø
Rim Ø
Base Ø
Wall
Floor

Edit either column. Outside diameters. "Throw at" is the wet size of the finished form, so leave extra clay at the base if you plan to trim.

Volume

Brimful: –
Holds at fill line: –

Fill line below rim mm Target capacity mL

Fired size, measured inside. Resizing scales the whole form and keeps wall and floor thickness.

Selected point

Click a point on the profile to edit it precisely.

Height mm Diameter mm

Corner

CurvedSharp corner

Form

Rim Trimmed foot ring

Ring height mm Ring width mm

Rib templates

Outside rib Inside rib Extra width mm Handle above rim mm

Ribs are drawn at thrown size, since you use them on wet clay. Switch the profile panel to Ribs to see them.

Glaze

Colour Inside Outside Stop above base mm

Clay needed

Clay in finished form: –
Suggested ball to wedge: –

Trimming allowance % Plastic clay density g/cm³

Fired Thrown Fill

Drag points to shape. Double-click empty space to add a point, double-click a point (or press C) to make it sharp. Right-click or Delete removes a point. Shift snaps to 5 mm.

3D preview

Show with Cutaway Liquid Spin

Drag to orbit, scroll to zoom, right-drag to pan. Grid squares are 1 cm.