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Stereolithography, also known as 3-D layering or 3-D printing, allows you to create solid, plastic, three-dimensional (3-D) objects from CAD drawings in a matter of hours. Whether you are a mechanical engineer wanting to verify the fit of a part or an inventor looking to create a plastic prototype of an invention, stereolithography gives you a fast, easy way to turn CAD drawings into real objects. 3-D printing is a very good example of the age we live in. In the past, it could conceivably take months to prototype a part -- today you can do it h ....etc

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JECTION and TYPES OF PROJECTION

BARNANA BARUAH
ROLL NO.:- 07-197



PROJECTION

Projection is a process of converting the object in
n-dimensional system to n-1 dimensions.

Once world coordinate descriptions of the objects are converted to viewing coordinates, we can project the three-dimensional objects onto the two-dimensional view plane.




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i want complete seminar report of this topic.... ....etc

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Stereolithography

Stereolithography, also known as 3-D layering or 3-D printing, allows you to create solid, plastic, three-dimensional (3-D) objects from CAD drawings in a matter of hours. Whether you are a mechanical engineer wanting to verify the fit of a part or an inventor looking to create a plastic prototype of an invention, stereolithography gives you a fast, easy way to turn CAD drawings into real objects.

3-D printing is a very good example of the age we live in. In the past, it could conceivably take months to prototype a part ....etc

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STEREOLITHOGRAPHY CURE PROCESS MODELING


INTRODUCTION
In this chapter, the stereolithography (SL) technology is introduced, the objective of
this work is addressed, and the strategy to achieve the goal is demonstrated.

Introduction to Stereolithography
Stereolithography is currently the most widely used process in the rapid prototyping
and manufacturing (RP&M) field. “It translates computer aided designs (CAD) into solid
objects through a combi ....etc

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INTRODUCTION
If you're thinking about assembling a home theatre system, you may be looking at large screen televisions as the heart of your system. Projection TV could give you the size that you want -- CRT screens generally top out at 40 (101 cm) or so, and at that size, they are huge and heavy. Plasma screens can be bigger than that and still manageable, but they can be extremely expensive. Projection TV technology can create large screen sizes at a reasonable price. Or maybe you need to equip a room, like ....etc

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Phase-only holographic projection has driven a great deal of research and has often been seen as a desirable method of 2-D image formation. It is superior to conventional imaging projection technology. a real-time 2-D video projection system is developed here using this system. The computational
complexity of calculating diffraction patterns has been the major hindering force for this. The poor quality of the resultant images was also a factor. This paper shows a a new pproach to hologram generation and display. Thus a
high-quality real-ti ....etc

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INTRODUCTION
Rapid prototyping automates the fabrication of a prototype part from a three- dimensional (3D) CAD drawing. This physical model conveys more complete information about the product earlier in the development cycle. The turnaround time for a typical rapid prototype part can take a few days. Conventional prototyping may take weeks or even months, depending on the method used. Rapid prototyping can be quicker more cost effective means of building prototypes as opposed to conventional methods.
F ....etc

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how do Projection TVs work? ....etc

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