Engineering Tools

Small Tools, Big Fun.Engineering with curiosity.

Useful applications, calculation templates, and ideas for people who enjoy figuring things out.

Roarks' Formulas

Less repetition.
More engineering.

Focused utilities that make everyday engineering workflows a little easier.

A starting point for
the next problem.

Reusable calculation templates with inputs, assumptions, and working you can follow.

Keep the lessons.
Share the thinking.

Practical notes on mechanical engineering, useful methods, and lessons from building tools.