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Rapid Protoyping
Rapid Prototyping (RP) can be defined as a group of techniques used to quickly fabricate a scale model of a part or assembly using three-dimensional computer aided design (CAD) data. What is commonly considered to be the first RP technique, Stereolithography, was developed by 3D Systems of Valencia, CA, USA. The company was founded in 1986, and…
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History of Perspective
Mathematical, linear or Renaissance perspective, was first demonstrated by Filippo Brunelleschi around 1413-1420. Using visual experiments e.g. tracing reflections on mirrors, he developed his theories and understanding of perspective drawing. Renaissance artists became fascinated with perspective particularly after Leon Battista Alberti published a paper about linear persepctive in 1435. This guaranteed its spread throughout Europe and became the standard…
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Basic Linear Perspective – Drawing Tutorial by Randy Sarafan
This is a really good tutorial from the technology editor at Instructables. Linear Perspective is the most basic form of perspective in which all objects with faces parallel to the horizon, appear to converge in the distance at a single point on the horizon (the vanishing point). Randy Sarafan helps you to draw realistic three dimensional shapes, with…
