Philadelphia, PA // (215) 825-7423 // inquire@messagefirst.com

7 Principles of PrototypingRefresh DC

Todd Zaki WarfelPrincipal Designer Researcher

Philadelphia, PA // (215) 825-7423 // inquire@messagefirst.com

?

Philadelphia, PA // (215) 825-7423 // inquire@messagefirst.com

7 Guiding Principles

1Know your audience and

intent.

Philadelphia, PA // (215) 825-7423 // inquire@messagefirst.com

Design Sales CEO

2Plan a little. Prototype

the rest.

3You can draw.

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4It’s a prototype—not the

Mona Lisa.

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5If you can’t make it—

fake it.

6Prototype only what you

need.

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7Reduce risk. Prototype

early and often.

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Practical Prototypingrosenfeldmedia.com/books/prototyping/

toddwarfel.com

Todd Zaki WarfelPrincipal Designer Researcher