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2.009 Product engineering processes is not a product
Antoine de St. Exupéry 29 June 1900—31 July 1944, writer, aviator
perfection is reached not when there is no more to add but when there is no more to take away
an invention
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product form organizing a product, making it understandable,
making it coherent
2.009 Product engineering processes today
thinking about designing part 3
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2.009 Product engineering processes today
products that are pleasing
unlike this!
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but first…another mini quiz
list 4 design-for-manual-assembly guidelines
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Assembly review overview
digital submission 11 PM, Tuesday October 29 (red, green, blue, yellow)
images (up to 10), CAD files, list of who-did-what, product contract
product variationsstoryboards, circuit designs, etc.
digital submission 11 PM, Thursday October 31 (pink, orange, purple, silver)
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Assembly review Overview
10 minute presentations/discussion Wednesday October 30 (red, green, blue, yellow)Friday November 1 (pink, orange, purple, silver)
project your contract (or large mounted poster)
show your most current worknot a homework assignment!
can work in pairs, everyone must contributeno make work!avoid meaningless detailkeep working to understand user needskeep doing tests
![Page 7: an invention is not a product - MITweb.mit.edu/2.009/www/lectures/20_product form.pdfis not a product Antoine de St. Exupéry 29 June 1900—31 July 1944, writer, aviator perfection](https://reader031.vdocument.in/reader031/viewer/2022011900/5f05309b7e708231d411b90c/html5/thumbnails/7.jpg)
Assembly review presentation tips
focus the design (product use cycle/storyboard, design vision variants, design details for the variants)contact should be clearly visible throughout but spend your time on the design
use your own computers. Please make sure you have adaptors. Test 8-9 AM Wednesday and Friday 8-9 AM in 10-250
it is a discussion, not a canned 10 minute talk. It is not about selling us on the product. Annotated example is linked on the home page
think about where you would like to have input
link to upload assembly files is on home page
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Form and usabilityform follows function: Louis Sullivan
“form instructs user”
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Form and usabilityform follows function: Louis Sullivan
“form instructs user”
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form follows function!
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form is function!it’s part of making it work for users
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Form and human useform is function
obvious articulation avoids damage
circles, positive and negative forms imply motion
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Form and human useform is function
obvious articulation avoids damage!
![Page 14: an invention is not a product - MITweb.mit.edu/2.009/www/lectures/20_product form.pdfis not a product Antoine de St. Exupéry 29 June 1900—31 July 1944, writer, aviator perfection](https://reader031.vdocument.in/reader031/viewer/2022011900/5f05309b7e708231d411b90c/html5/thumbnails/14.jpg)
Form and human useform is function
positive and negative forms imply motion
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Form and human useform is function
positive form
negative form
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Form and human useform is function
objects separate on parting linesobvious articulation avoids damage
parting lines are have design detail too!
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Form and human useform is function
direct metaphors in interfaces are better
understand color associations
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Form and human useform is function
direct metaphors in interfaces are better
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Form and human useform is function
understand ergonomic needs
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Form and human useform follows function
black recedes, conceals
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Form and human useform follows function
don’t touch nasty bits
smooth invites touching
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Form and human useform follows function
communicate value proposition
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Form and human useform follows function
think about possible misuse
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Form and human useform follows function
think about possible misuse
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form is functioncommunication and affordances
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how?design strategies
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KISnSkeep it simple, NOT stupid
manage communication and affordances
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simplicity
unnecessary = more ways to go wrong!
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Making products visually simpleperception and the principle of pragnanz
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Making products simple perception and the principle of pragnanz
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Making products simpleperception and the principle of pragnanz
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Making products simpleperception and the principle of pragnanz
so simple
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Making products simpleperception and the principle of pragnanz
so complex
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Principle of Pragnanzit’s the tool for how to do it!
KISnSkeep it simple, NOT stupid
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Principle of Pragnanzonce the template is established…
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Principle of Pragnanzonce the template is established…
exceptions are accents!
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Principle of Pragnanzonce the template is established…
no arrow neededexceptions are accents!
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it’s a parting line!
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KISnSmanage communication and affordances
unnecessary = more ways to go wrong!
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Form and simplicity form is function
avoid mixed messages, arbitrary details
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Making products simple use invisible objects (and the principle of pragnanz)
Kanizsa illusionnegative space
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Making products understandable simplify with invisible objects
design example: the WWF
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all does not need to be there!
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all does not need to be there!
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Making products simple simplify by informing with negative space
foreground and background shift
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Making products simple positive/negative space
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Making products simple positive/negative space
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Making products simple positive/negative space
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Making products simple positive/negative space
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mini me, you complete me
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communication userKISnS
form is function
pragnanz
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2.009 Product engineering processes Wednesday and Friday
assembly review!you will receive feedback shortly after each class
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Frank Lloyd Wright 8 June 1867—9 April 1959, architect, designer
form follows function — that has been misunderstood. form and function should be one.