Clay & Body · 9 min read
How to Run a Clay Shrinkage Test That You Can Reuse
A studio procedure for making, marking, drying, firing and recording clay test bars so wet-size calculations are based on your own process.
Read guide →ClayCalc field notes
Studio guides built around repeatable records
Calculators take care of arithmetic. These guides cover the part that matters before and after the calculation: how to prepare a useful test, what to write down, and where a model stops being evidence.
Testing & Analysis · 10 min read
Ceramic Water Absorption Testing: A Practical Studio Guide
Understand dry and saturated weights, specimen preparation, repeatability and what an absorption percentage can—and cannot—tell you.
Read guide →Glaze & Recipe · 11 min read
A Glaze Testing Workflow That Keeps Useful Records
A repeatable route from a 100-gram test batch to labelled tiles, application notes, firing records and a production decision.
Read guide →Slip Casting & Plaster · 8 min read
Pottery Plaster Mixing: Ratios, Sequence & Mold Records
Use product data, weight-based ratios and a controlled mixing sequence to make pottery plaster molds that are easier to compare and repeat.
Read guide →Kilns & Firing · 9 min read
What a Kiln Firing Really Costs
Build a firing cost from measured energy, element wear, furniture, studio overhead and usable kiln space—then turn it into a defensible fee.
Read guide →How these pages are maintained
Sources, assumptions and corrections are visible.
We separate direct measurements from planning estimates, link to the source used for standards or product data, and describe the limits of each calculation. Read the methodology and corrections policy.