Whirligig
Description
The , Whirligig also known as a BuzzSaw, is a toy that makes a buzzing noise when it is spun.
Instructions
Print one whirligig and two buzzsaw sticks. Thread the two strings through the center holes of the whirligig. Secure the ends of both strings to the buzzsaw sticks. Wind up both strings and then pull the sticks apart. See the following pdf for more instructions.
sparklab.si.edu/downloads/sparklab-whirligig.pdf
sparklab.si.edu/downloads/sparklab-whirligig.pdf
License

I laser engraver can easily cut these out of wood or acrylic... any chance of also
posting a DXF file for the laser folks.. thx perhaps one for each of your posted designs..
GREAT IDEA...