physical sketching
Peter Bennett

why sketch?
Documentation Reflection Communication

(new) knowledge representation

physical sketching
• Allows role-play and interaction.
• Gives feedback that isn’t possible from a
drawn sketch.
• Allows greater exploration of the style of
interaction.

prototyping vs. sketching
prototyping
sketching

problems with
‘finished-ness’

problems with
‘finished-ness’

rendering
interaction technology form
(not sketch)

BeatBearing Design Process

initial sketches

further sketches

logbook

1st physical sketch (clay)

2nd sketch

alternative

comparison

video

improve particular feature

visualisation (just about a sketch)

CAD design (not sketch)

manufacture

in position

non-interactive mock-up (back to sketching)

(almost) fully working prototype

copper tracks instead of washers (sketch)

full size (prototype)

current version

materials

10 minutes - sketch 2 individual ideas (from idea generator)
5 minutes - show both ideas to group.
15 minutes - pick favourite idea and develop.
15 minutes - about 3 minutes per group to show final sketch.

Idea Generator
Context Sound User/Player Wildcard
1 gig loud very young snow
2 underwater soft very old invisible
3 home studio rhythmic musically skilled ancient
4 on a beach melodious musically unskilled flashlight
5 sonic lab harsh yourself danger
6 public transport pleasant teacher inconvenience