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The R 3

The R 3. Rippenator Ruler Reference Marker. Alissa S. Age 8 Missouri. The Problem.

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The R 3

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  1. The R3 • Rippenator • Ruler • Reference Marker Alissa S. Age 8 Missouri

  2. The Problem At school we have to rip lots of things out of our notebooks. I would sometimes tear the paper in half. All of my friends were complaining about it too. Then our invention unit came up so I thought and came up with a book mark but somebody all ready thought of it. Then I thought to myself and said “what about a little thing that goes into a notebook and it tears a page out of the notebook that is a book mark and a ruler too?”

  3. The Solution – R3 • Instead of a messy paper it comes out cleanly • It’s a small, easily accessible ruler • Provides a bookmark for your spiral bound notebooks

  4. The Design Process • Designing the connection to the spiral notebook wasn’t easy • We first tried a “T” junction • Didn’t work because it wasn`t easy to connect to the notebook • Next we tried a “L” junction • Worked because it fit easily in the notebook

  5. The Design Process • 2. Finding the right material to make the R3 out of was difficult • Our first materials, laminates, were too soft • We finally tried a hard plastic and it was strong enough to the rip the paper out

  6. The Design Process

  7. Commercial http://m.youtube.com/watch?v=GeRGzgZ8_9E

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