04 Lab note on clay morphogenesis

Form follows
firing.

Jonas Weidler runs a small generative ceramics lab. Clay chemistry, machine suggestions, and a kiln that keeps its own opinions. Ceramicist, done by hand and by fire.

248Specimens
12Glaze maps
1.3kFirings
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⌀ 180 mm
H 240
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Viscosity study · SVG morph

Clay that remembers its shape.

Process · M-01

Soft-body morph

Paths drift between shapes the way wet clay does under thumbs. Soft curves, no kinks.

Process · G-07

Goo merge

Blur plus a color matrix makes small bits melt into the mother form at the surface.

Process · F-12

Kiln memory

Every silhouette is logged with its heat curve, so we can re-fire any piece on demand.

Firing log · cone 10 reduction

Every piece keeps its heat curve.

Temp °C14 h cycle
1285° 0 h 14 h
  1. 0 to 600°CandlingSlow drying so trapped water leaves quietly.
  2. 600 to 1000°Body reductionDamper closed; iron in the clay turns warm and toasty.
  3. 1285°Hold at peakTwenty minutes to let the glaze level and heal.
  4. crash coolOpen slowTwo days of patience before the door swings.
Specimen · K-041

Low bowl, iron slip

Slow morning light, then the kiln door. We like both ends of the day.

stonewarecone 10
Specimen · K-058

Tall vessel, ash glaze

Tall throw with a deliberate collapse at the rim. It looked right so we left it.

porcelainwild ash
Specimen · K-073

Lidded jar, matte

Twin-wall body and an inset lid seat. Matte to the touch.

earthenwarematte
Jonas Weidler

Jonas Weidler

Ceramicist · detail obsessive · Berlin

Ceramics lab work. Clay chemistry and machine form, fired hot and often.

@studio.nova