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Orr, Taylor; Flowers, Jim – Technology and Engineering Teacher, 2015
3D printing is becoming ever more popular in both the manufacturing world as well as in technology and engineering education classrooms all over the United States. 3D printing is an additive manufacturing process in which successive layers of material are built up to produce three-dimensional objects from computer-aided design (CAD) files, making…
Descriptors: Computer Peripherals, Printing, Plastics, Engineering Education
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Oliver, Garth R.; Waite, Jerry J. – Technology Teacher, 2006
For more than 150 years, printers have been faithfully reproducing continuous tone originals using halftoning techniques. For about 120 years, printers could only use the AM halftoning technique invented by Henry Talbot. In recent years, the advent of powerful raster image processors and high-resolution output devices has increased the variety of…
Descriptors: Technology Education, Computer Peripherals, Technological Advancement, Teaching Methods