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This is a rapid prototyping technique developed by Helisys Inc. It uses sheets of materials such woods, plastics, and metals, which are coated with adhesive, then are stuck together layer by layer. To form the desired shape, a lazer or knife cutter is employed to shape the form.

-Masa

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Jamie
Solid Modeling is the computer modeling of 3D solid objects. Solid modeling is to ensure that every surface is geometrically correct.

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DAIGO
Freeform surface modelling is a technique for engineering freeform surfaces with a CAD or CAID system. The technology has encompassed two main fields.

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3D-Printing method that lays down material that is unwound from a coil in layers. Usually PLA or ABS plastic is used, but metal works as well. A heated nozzle melts the material and places it down on a horizontal and vertical axis. (Additive) -William

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3D-printing method that uses UV Light, and resin. The model is gradually built in layers, and each layer of resin is lit with a UV light that solidifies it. Then it continues to the next layer. More expensive and time-consuming than other methods, but provides a higher resolution and smoother finish. (Additive) -William

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3D-Printing method that uses a high power laser to fuse particles of plastic, metal, ceramic, or glass into a 3D shape. Depending on what you use, you can end up with very strong pieces. However, you can end up with a very rough finish that you have to sand down. (Additive) -William

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SHION
The calculation and simulation of unknown factors in products using CAD systems. For example, simulating the stresses within a welded car part.

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How to Build a Better Assembly Line Using 3D Virtual Reality

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VR is The ability to simulate a real situation on the screen and interact with it in a near-natural way.

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Recording the movement of humans and animals. Can be captured by video, magnetic or electro-mechanical devices.

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The Top Down approach has the designer already envision how the overall product will be constructed. They would have an overall plan of what they want to achieve and a surface model of it. Throughout the design process, they will make small additions and combine parts that will lead to the final vision.

(Zander)

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At this stage the prototype represents conceptually an idea.

The video attached is a person prototyping the UI for an app. Note how the prototype represents the final idea/product in a conceptual way.

Link: https://www.youtube.com/watch?v=yafaGNFu8Eg

-Masa

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Low fidelity prototype testing of the EE app

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REN-
PROTOTYPES ARE SAMPLES CREATED IN ORDER TO  TEST A DEVELOPMENT TEAM'S DESIGN. IT IS AN OBJECT MADE TO BE LEARNED FROM. PROVIDING EXPERIENCE AND UNDERSTANDING OF THE CREATION PROCESS (HELPING MANUFACTURE THE REAL DESIGN) AND TESTING ITS VIABILITY AND USE VIA TESTERS WHO GIVE FEEDBACK ON THE PROTOTYPE. A PROTOTYPE CAN RANGE FROM A WIDE VARIETY OF "COMPLETENESS", FROM A BOX WITH WIRES AND BUTTONS TO SOMETHING THAT LOOKS AND WORKS LIKE AN ACTUAL CONTROLLER, THIS IS CALLED FIDELITY

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REN-
A FREEHAND SKETCH IS A SIMPLIFIED, EASY/QUICK SKETCH THAT UTILISES SIMPLE SHAPES. OFTEN USED AS THE BASE/STARTING POINT OF A SKETCH AND IS REFINED
ON LATER TYPES OF SKETCHES

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Kent

Graphic models are models used to represent probabilistic relationships. They are considered a natural tool for dealing with two problems that occured. The picture above which of the variables of relationship.