LSynth is a program that synthesizes bendable parts for LDraw files.
For information on LDraw, please visit www.ldraw.org, the centralized LDraw information site.
Synthesizes
Can be expanded with user generated synthesis types. Examine the lsynth.mpd file for instructions.
Download a package for your OS.
Follow the setup instructions and tutorials.
Examine these detailed examples.
Then make your own. Have Fun!