1. Rubiks Twist A Reverse Engineering of My Favorite Physical Object

2. The Puzzle The Rubiks Twist suffers from looseness and rattling after only days of use. On a secondary note, the colors do not match up when completed, though this may be impossible, other than the patterns which currently occur on two sides of the completed ball.

3. Design Matrix 1 = Worst Rank 5 = Best Rank TimeDifficultyProbability to make a difference Total Score Tighten Springs 34512 Rearrange Colors 54211 Both mentioned above 43411

4. Design Brief Client –Rubiks Target –Puzzle Loving Kids Problem Statement –To redesign the spring holding the Rubiks Twist pieces together to be tighter, so to prevent looseness due to use. Design Statement –Design, test, manufacture, and mass produce a tighter Rubiks Twist. Constraints –All other pieces must remain the same size –Must not add any new pieces –Must still be able to rotate puzzle with relative ease

5. Before the Redesign The grey triangles seen in the full object are exact replicas of the black one, except for color. The same goes for the plates, where blue is shown above.

6. After the Redesign (Spring) 15 Revolutions 18 Revolutions

7. Structural Analysis (Spring)