Learning About Screws and More Harmonograph!

Today, we started with looking at different types of screws and there uses. Like Flat Head and Pan head,  the tread count and the size. We found out about mechanical screws are more useful with already made holes in plastic or metal, and that pointed tips are used more for wood. When working with the ...

Harmonograph Progress

Harmonograph Progress
We have made some progress on the harmonograph. We figured out how to configure the hinges, but we are still building it. We are trying to figure out how to puncture the reducing washer. Maggie has been working on the 3D Printer part list. She thinks the price of all the materials would be around ...