Ball and Triangle Game - SCOPES Digital Fabrication
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Lesson Details

Subjects
Arts, Engineering, History, Mathematics, Multi-Cultural Learning, Technology
Age Ranges
8-11, 11-14
Standards
HSG.MG.A1, 4.G.A2, 6.G.A1, 7.G.A2, 8.G.A5, 8.G.B7, HSG.CO.D13, HSG.C.A3
Author
CITC Fab Lab

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Author

CITC Fab Lab
CITC Fab Lab
Informal educator
We are Cook Inlet Tribal Council’s Fabrication Lab. We are based out of Anchorage Alaska serving Alaska Native and American Indian students based in the Anchorage school district. We teach design, building, and fabrication with a cultural emphasis. Our different… Read More

Summary

This is a Traditional native Game played by North East Woodland Indigenous People. The Game was originally made withe birch bark, sinew and a carved wood ball. We are changing the materials to use 1/8 inch plywood, parachute cord and a lathed ball.

What You'll Need

  • Laser Engraver
  • Lathe
  • Lathe chisels
  • Sand Paper
  • Finishing product like Tung Oil
  • Drill or drill press and drill bit
  • Computer – Corel or Adobe Illustrator
  • 1/8 inch Plywood
  • a 2x2x3 piece of wood
  • 12 to 18 inches of parachute or other cord.

 

The Instructions

Ball and Triangle

Designing and cutting the board for the game.

Step 1:  Design your board in Illustrator or Corel ( this instructables is using corel.) Design your shape, remember a triangle is the traditional shape but it can be any shape you want. Make sure to set the line weight at .001 so it will cut. This is where you can discuss aspects of triangles like types and properties as well as Pythagorean theorem, and really discuss the common core math standards.

 

Step 2: Make the circle in your board for the ball to go through slightly larger than the ball is going to be. The ball we are making is 1.25” in diameter so the hole will be 1.5” in diameter. Center the hole on the board, or put it anywhere if you want a more challenging game. You can discuss the types of centers that triangles can have like Circumcenter, Incenter, Centroid, or orthocenter and the ways to construct and find them.