America's Cup Toy Boat Kit

by MacGyvrBot, published

America's Cup Toy Boat Kit by MacGyvrBot Jul 10, 2013


This thing was made with Tinkercad. Edit it online tinkercad.com/things/fPDLMejO0JS

The America's Cup Toy Boat Kit demonstrates teaching physics with 3D-printed toys. It was used in aTech Camp to teach grades 4, 5, and 6 in a Rochester, NY elementary school (http://interlockroc.org/2013/08/02/can-3d-printing-and-computer-aided-design-be-of-value-in-the-contemporary-urban-elementary-school-curriculum/). Each of the 20 students built a boat and tested it in a shoebox. Constructively hacking the design (changing sail shape and position, hull length, etc.) teaches confidence in creatively making and fixing things.

More from Mechanical Toys

view more

Liked By

view all


America's Cup Toy Boat Kit by MacGyvrBot is licensed under the GNU - GPL license.

Give a Shout Out

If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. Print Thing Tag


-Print the kit of sailboat parts (designed to fit on the small Printerbot Simple bed).
-Cut 4 equal straw pieces (4 inches long works well) for hulls.
-Cut a 1 inch straw for attaching the tiller to the rudder.
-Cut a straw for the mast (4 inches long works well).
-Cut the triangle sail from colorful cellophane or plastic film and tape it to the 3D-printed booms.
-Assemble the sailboat.
-Fill the plastic box half full of water.
-Float the boat in the water and adjust tiller and sail for a broad reach.
-Gently blow on sail through a straw.
-Each boat in the regatta has a shoebox and the sailers provide their own wind at the starting signal.
-The object of the game is to go the length of the box without touching the sides when wind blows from various directions.

-3D printed parts: sail, booms, forward frame, aft frame, straw plugs, rudder and tiller.
-5 colorful soda straws.
-Colorful cellophane food packaging.
-Plastic shoebox and water.

Lessons include:
-Center-of-gravity and tipping over.
-Angle of incidence and resulting forces on the sail.
-How to steer a sailboat to go other than the way the wind is blowing.
-The iterative design process (constructive hacking) where students can modify the boats to improve performance or fix flaws.

Teachers can re-use the apparatus with subsequent classes.