---
title: Calculate Thrown Clay Dimensions to Hit Target Fired Sizes — Free
description: Clay shrinks from wet wheel to final glaze firing, and dividing by one minus shrinkage is not the same as adding that percentage back. Compute the exact wet throwing dimension and check that it fits inside your kiln shelf clearance.
category: creative
last_verified: 2026-09-29
freshness: green
published: 2026-09-29
canonical_url: https://gratis-ai.pages.dev/articles/ceramic-shrinkage-fired-dimension-check.html
companion_app_url: https://gratis-ai.pages.dev/apps/ceramic-shrinkage-fired-dimension-check.html
reading_time_minutes: 4
tags: creative, clayshrink, local-first, planning, no-account
---

# Calculate Thrown Clay Dimensions to Hit Target Fired Sizes — Free

Clay shrinks from wet wheel to final glaze firing, and dividing by one minus shrinkage is not the same as adding that percentage back. Compute the exact wet throwing dimension and check that it fits inside your kiln shelf clearance.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $4 one-time. Nothing in the free tier is gated.

## Who it's for

Anyone seeking practical 100% free AI workflows — no paid API keys, credit cards, or subscriptions

## What's free

- one complete kiln firing docket run in the app
- three samples plus unlimited article-demo runs
- unwatermarked result text and an explicit, user-triggered state link

## Optional paid add-on

**$4 one-time.**

- print the kiln firing docket with its row workings
- CSV of wet thrown mm required and row explanations
- last five readings saved in this browser profile

## Sources & verification

- Tool: GratisAI local-first instrument (no key, no account)
- Primary source: the free tool itself (local-first, no external dependency)
- Last verification: 2026-09-29 (green)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/ceramic-shrinkage-fired-dimension-check.html
- Companion app: https://gratis-ai.pages.dev/apps/ceramic-shrinkage-fired-dimension-check.html
- This machine-readable mirror: /mirrors/ceramic-shrinkage-fired-dimension-check.md

*Generated free at https://gratis-ai.pages.dev/articles/ceramic-shrinkage-fired-dimension-check.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*