Select intended hat size
Choose the finished hat size, crown height, brim dimensions, and the details that matter to your design.
An open workshop for a timeless craft
Generate the 3D print files for the hat block you need to make your hat a reality.
No account. No subscription. Your designs stay on your computer.

The final beginner-friendly installers will replace this review package after release checks are complete.
Made for everyday computers
The V1 review package is available now for testing. Select your preferred platform for a direct, verified download.
This is the same offline-capable Blocksmith build for all three systems. It is a ZIP package, not the final guided installer.
For an integrity check, the official review ZIP has this SHA-256 fingerprint:
eadbea3d4c66becd57b2f7fbb85e461837e15d1552814dbd1d4761307088258cFinal Windows, macOS, and Linux installers will keep user projects and calibration data separate so future updates do not overwrite saved work.
Precision in the engine. Simplicity for the user.
Choose the finished hat size, crown height, brim dimensions, and the details that matter to your design.
Choose a proven profile and watch the hat illustration respond as the geometry changes.
Export the model and create reusable tooling in your own workshop.
Longevity, built in
Blocksmith will keep projects, customer measurements, printer calibration, material records, and tool inventories separate from the installed program. Updating the application will never intentionally replace your saved work.
BLOCKSMITH UPDATE CENTER
This checks the website’s release record without uploading your projects, measurements, or workshop data.
Ready to checkPull up a chair
Blocksmith is being shaped through real printing, real felt, and real hat-making experience. Community doors will open with the public release so users can share results, report issues, and guide what comes next.
The links will activate only after the groups and source repository are ready for public visitors.