MANDREL simplifies spring winding with precise mandrel sizing formula. Thanks, Kozo Hiraoka, for this command-line gem!

Alice Nguyen

This app has completely transformed how I wind springs! The formula is easy to use and accurate.

Jake W.

Absolutely love this app! It takes the guesswork out of sizing mandrels. Highly recommend it!

Sarah L.

MANDREL is a game changer for anyone winding springs. The command line interface is straightforward!

Tommy R.

So impressed with this app! It simplifies the process of calculating mandrel sizes perfectly.

Emily P.

Finally, an app that does exactly what I need! Accurate calculations and user-friendly interface.

Chris D.

This tool is fantastic for spring makers. It saves time and improves accuracy in my projects!

Laura T.