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DOUGLAS TSAI

douglas.tsai@gmail.com douglastsai.com


N A N A J A’ S H A L L O W E E N PA R T Y Halloween themed whirligig toy

The challenge:

The approach:

A wind powered animated toy

“ N a n a j a ’s H a l l o w e e n p a r t y ” i s a

with a special theme and

Halloween themed mechanical

story to tell

toy that is constructed by wood a n d m o d e l c l a y. T h e p r o p e l l e r that is powered by the rising hot air from candles that would b r i n g t h e w i t c h ’s p a r t y t o l i v e


NIGHT SKY BRAIN STORM Everything about witches and Halloween


AROUND THE WORLD Environment and feature concept Beetle vehicle

Drinking island

Halloween rock band concert

Dancing skeletons


S W A M P PA R T Y T H E M E

Trees and branches ground

Rope and tree branches for structures

Architecture as characters


CEMETERY ON THE HILL

Main character concept


C E M E T E R Y D E TA I L S

Central focused overall shape: inspired by witches’ pointy hats

Orbit motion of Nanaja Foam carved statues Squirrel cage windmill


CHARACTERS

Connected to propeller Swinging arms

Constructed w. basic forms

Up-and-down motion while orbiting


CANDLE POWERED TOWER STUDY MODEL CONSTRUCTION Arm support for the cone body

Mechanism on the axis

Asymmetrical structure

D e s i g n c r i t e r i a f o r fi n a l m o d e l : 1. Reduce scale to 2/3 2. Asymmetrical spiral structure 3. Reduce friction on pin-pointed axis with ball bearing 4. “Nanaja” main character moved to top of the cone to avoid the “hung structure” which was unstable


BUILDING PROCESS T h e m a k i n g o f “ N a n a j a ’s H a l l o w e e n P a r t y ”

Frame work construction

Installation of mechanism

Landscape building with clay

Filling in with architectural elements

T e s t r u n p r i o r t o fi n s h i n g p a i n t

Masking and prep for spray

Application of high built-up

painting

primer to solidify clay surface costume and body parts

Found objects for Nanaja’s

The main character “Nanaja”


N A N A J A’ S H A L L O W E E N PA R T Y


Nanaja's Playground  

douglastsai.com

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