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DIGITAL DESIGN + FABRICATION SM1, 2016 M1 JOURNAL - STICKS

MENGYAN YU732107

TIM TUTORIAL 03

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this object is composed by 18 sticks and the hight of each stick is 900mm. each stick actually is a cylinder, the top and bottom circles’ diameters are the same, 6mm.The sticks that i measured is dynamic, so i decide that measure three conditions of it. The first condition is when the sticks bond together and the diameters (which is measured from the plan view) and angles between each sticks are the smallest. It could be seen from the elevation, each stick has four pins on it and those positions are fixed.

the plan of minimum expansion

the elevation of minimum expansion

Measured Drawings

100mm

380mm

300mm

90mm

30mm

900mm

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the plan of mrdium expansion the elevation of midiumexpansion

o

A

B

D

C

AB=210mmCD=760mm

the elevation of medium expansion

h=820mm

The deiameters of minimum and maximum expansion of sticks are 600mm and 4200mm respectively. So i choose 2100mm as the diameter of medium exapansion. Under this condistion, the hight of the object is 820mm and the outer diameter CD is 760mm ( the outer diameter is the bottom circle forms from the expanction,view from the top).

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The maxium expansion has the hight of 4800mm and the inner and outter diameter is 360mm and 900mm respec-tively( view from the top).

the elevation of maximum expansion

the plan of maximum expansion

AB=360mmCD=900mm

D

C

A

B

O

h=460mm

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Analysis

the diagram shows that the relationships between angles and the hight of the object. the angles be-come larger, the hight of sticks become shorter.

in adition, form the top view, the circles which are under different expansion or contraction condition form concentric circles.

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Digital Model

Modeling Method:1.draw a cyclinder 2. rotate is to the angle which i mesured3. Polar array(commond: 9 items, 360 degrees).4. draw another cyclinder which is located next to the first cyclinder i drew.5. rotated and polar arry in the same way with step 3. From th top view, it acctually form concentric circles.

elevation pespective plan

minimum expansion

med

ium expansion

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elevation pespective plan

med

ium expansion

maxim

um expansion

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Sketch Model

The most impressive system in the sticks is the pin joints. Those pin joints make the series of expansion and contraction possi-ble. so i would like to make my model move by using pins. in addition, the sticks form lots of quadrilaterals and quardrilaerals are really flexible. as a result, i use pins and quadrilaterals as main element to form my model.

In the red cycles show the connections of sticks and due to those pins connections,the model can contract and expand. from the below photo, the model contract and the volme of it also contracs.

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Volume

To indiate the volume, i just simple overlay the sticks each by each. from the left photo you can see that the volume is pruduced under the first lay-er (the red lines )which is composed by four quadrilaterals.

iThis photo indicates the model contract and ex-pand round a axis (the yellow line).

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How does this respond to your personal space?

Sketch Design #1

Distance/GSR/SENSETIVE/PROTECTION

PLAN, the longest part is the front, because people feel most uncomfortable when someone or something is approch them.

When the control bar is pulled down by user, the distance might be shorter or longer, this can be controled y user.

the back view.

People always feel unsafe when someone or something apporch them dircetly from the front , to avodi this, my design’s longest part is the front part; while the side part is longer than back part. in addition, the personal space is also accroding to the relationship, if user feel safe, they can make is shorter.

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How does this respond to your personal space?

Sketch Design #2silence,isolation

Personal space might be invaded by sound,this design directly avoid noise. the longer part is to avoid the user to be marooned in the middle by two people who talking to each other, avoid the feeling of freezing.

the front view the back view

details, the ear cover can contract or expand due to the different users’ sizes. it actually a pyramid. Material might be membrane which is good at sealability and membrane between the sticks which is the main structue.

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The eye contact can invade personal space. So this design cover the eyes so the user cannot invade others’ person-al space, in addition, the outer cube can make a feeling of non-human, so people might not pay attention on the user,the personal space is protected.

Sketch Design #3

How does this respond to your personal space?

This part can also contract and expand ,due to the dif-ferent sizes of users.

mian pins, make possi-ble to lift the cover.

nonperson, no-eyecontact,dark