Some Useful Things

Here are a few things that I've written or adapted over the years that may be useful. Or not.

Tube coping calculator - universal version
- all previous versions and options are rolled into this one

- coping calculator source (a little outdated, but shows you the basic ideas)

Dan Hopper's TUBEFIT program
- a standalone DOS tube notching program with a nice explanation of the math involved

Tube deflection calculator
- source

Crate cut-list calculator
- source

How to draw an ellipse with a pencil, a string, and two nails

How to Bend Tubing and Pipe by Hand

Cut List Formatter
- create a collated list of properly rounded fractional numbers from a random list of decimal numbers