prototype 3:
A piece of carpet has a harder side and a softer side, we cut a piece of it and test it
Elements of experience:
Positive expected:
Positive unexpected:
Negative expected: you can still feel rocks, and debris
Negative unexpected:
#
|
Time
|
#parts
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#materials
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# tools
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3
|
30s
|
1
|
carpet |
scissors
|
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