1. Daniel Cammarata – Ichabod Crane High School Jacob Wilensky – Troy High School

2. More commonly known as the Tower of Hanoi Mathematical recursion puzzle Goal: Get all rings from one end to the other Rules: You are prohibited from placing a larger ring on top of a smaller ring “Tower of Rensselaer”

3. Our Tower Simple calculations were completed to assure the pieces fit inside the base.

4. Plastic injection molding (Base and spires) CNC machining (Mold for plastic injection molding) Laser engraving (Writing on base) Abrasive water jet cutting (Rings) Ultrasonic welding (Base pieces) Processes

5. Rings: Abrasive water cutting (ABS) Largest ring is 1.3” radius, each ring will decrease by 0.2” going up the tower. Spires: Plastic injection molding (ABS) Tapered ends to fit into hole on base. 4.5” Parts

6. Base – Plastic injection molding (ABS) Thickness of walls: 0.25” Hollow for storage Piece 1 – Large base Laser engraved Piece 2 – Small base Laser engraved Ultrasonic welded Piece 3 - Lid Laser engraved Allows for pieces to be stored Base/Storage Large base Lid Small base

7. ItemCost Plastic (ABS)Donated Large mold ( I )$500 Large mold ( II )$500 Large mold ( III )$500 Large mold ( IV )$500 TOTAL$2000 Costs of Production Cost per unit: $5

8. Exemplifies what RPI stands for, by using mathematics and engineering to solve problems Utilizes 5 processes for the RPI MILL students to complete Puzzling, mathematical, and … Why?