Prototyping of caterpillar

S1210079

Shunsuke Fukabe

Caterpillar using LEGO blocks

We want to create this product because

we search robot object that uses Lego by

using Internet. Then that robot car

appeared. We thought that object is

interesting so we select this product.

We first time to see the product that

have many wheels.

1st Product Prototype using Tinkercad

To create prototype with Tinkercad.

The original photo was complex so we

had to do deep observation.

We would create caterpillar so we

should to understand with assembly of

caterpillar and system of caterpillar.

2nd Product Prototype using 123D Design.

"123D Design" the same way as

Tinckercad, can be used to create a

prototype using 3D graphics.

Tinckercad is cloud-based. So, it can

be used only in the browser. However,

"123D Design" can be downloaded

from the internet. Therefore, it can be

used in local area.

3rd Product Prototype using 123D Make.

This software take in 123D Design model.

And setting the option for create new model.

Set to 10 the division number. Next, set the

size of model. Finally, To show the developed

parts. You can create this object in real life

based on this developed parts.

1st Materials

1st Constructions

1st Functions

1st Appearance

1st Social Environmental Factors

2nd Materials

We uses rubber to tire material, and control

unit and motor was used the material of

iron.

2nd Constructions

This caterpillar has many joints that it is

possible to move smoothly.

2nd Functions

This product can be moved by remote

control.

2nd Appearance

Appearance is like a small worm. So, It may

enter a location that can not pass through

narrow gaps or humans.

2nd Social Environmental Factors

This can enter the place where the person

can not passes. Therefore, we By

mounting the camera to the caterpillar, we

through the camera locations that can not

be seen normally, can be seen.

3rd Materials

3rd Constructions

3rd Functions

3rd Appearance

3rd Social Environmental Factors

product specifications list

• Caterpillar × 12 parts

• Motor × 8 parts

• Gear × 4 parts

• Plate for control unit × 1 parts

• Control unit × 1 parts

• LEGO brock for caterpillar to connect caterpillar × 6 parts

Process Graphics 1: Prototyping of caterpillar

First, we create tire. For to put bar after,

we put the projections in the tire.

Process Graphics 2: Prototyping of caterpillar

Next, we create motors and

gears.

Because the work space was

narrow, the number of

motors is now eight.

Process Graphics 3: Prototyping of caterpillar

Next, we create "control

unit" to move motors on

the plate. Plate is put on

the motors.

Process Graphics 4: Prototyping of caterpillar

Finally, we put the bar to join the tire

and tire. These bar has been created

actually in LEGO block.

Identify three important problems you faced during the construction of the product prototypes using 123D Design

and Make software.

・ First problem is that download version "123D Design" force-quit frequently. If you use 123D Design in low specs PC, it will force-quit frequently.

・ Second problem is that We can not be edited in their own design that is present from the beginning to the "123D Design".

・ When we were applying the design was made with “123D Design” in “123D Maker”, it may not be reliably reflect.

How did the group members collaborate during the planning, analysis, design and

execution stages?• Planning

Planning did everyone. When we gathered in English lecture, decided what we make something.

• Analysis

Fukabe was the main analysis. After he has finished to analyse it, shared to it team member.

• Design

Endo made it with "Tinkercad" , Fukube made it with "123D Design" and Segawa made it with "123D Make". They made rapidly it.

• Execution

Hanyu was he main “execution” . He summarized in one data of work everyone has created.

CONCLUSION

When we create a construction with LEGO,

must be made sure roles "who what to do".

And, Person who was given the job should end

it quickly.