Katagami (“the Service”) is a free, individually run sewing-pattern tool.
Handling of measurement data
The measurements you enter are processed only within your browser. They are never sent to a server or shared externally.
Setups you “Save” are stored in your browser's localStorage. This information is not transmitted externally, and saved setups can be deleted from the screen at any time. Clearing your browser data also removes them.
Analytics (Google Analytics 4)
The Service uses Google Analytics 4 to understand access trends. Google Analytics uses cookies to collect access information. The data collected is anonymous and does not identify individuals. If you prefer not to be tracked, please use the Google Analytics opt-out add-on.
For Google's privacy practices, see the Google Privacy Policy.
Advertising / affiliates
The Service displays affiliate advertising.
As an Amazon Associate, the Service earns from qualifying purchases.
It also carries advertising links through Rakuten Affiliate and Moshimo Affiliate. If you buy a product via these links, the Service may receive a commission. This does not add any cost for you.
Cookie use associated with ad delivery follows each ad provider's policy.
Disclaimer
Pattern dimensions are approximate. Results vary with material, seam allowance and individual differences. The operator is not liable for any damages arising from use of the Service.
Changes to this policy
This policy may change without notice. Updates will be posted on this page.
Contact
Please send feedback or bug reports to shinworks.info@gmail.com.
Last updated: June 25, 2026