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Easier to print, stiffer, and more brittle than other plastics. PLA+ is a term for any blend that enhances some characteristic. PETG Polyethylene terephthalate (glycol-modified), a plastic made by changing the chemicals used to synthesize the more common PET. Easier to print than ABS, and moderately better heat resistance than PLA.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
Mandelbulber is adept at producing 3D animations. [28] Mandelbulb 3D is free software for creating 3D images featuring many effects found in 3D rendering environments. [29] Incendia is a 3D fractal program that uses Iterated Function Systems (IFS) for fractal generation. [30] Visions of Chaos, Boxplorer and Fragmentarium also render 3D images.
The 240 mm howitzer M1, popularly nicknamed the "Black Dragon", [1] was a towed howitzer used by the United States Army. The 240 mm M1 was designed to replace the World War I era 240 mm howitzer M1918, which was based on a 1911 French design and was outdated by World War II. The project to replace the M1918 began in 1941. [2]
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Heighway dragon curve. A dragon curve is any member of a family of self-similar fractal curves, which can be approximated by recursive methods such as Lindenmayer systems.The dragon curve is probably most commonly thought of as the shape that is generated from repeatedly folding a strip of paper in half, although there are other curves that are called dragon curves that are generated differently.
Many include the moving moiré pattern from co-axial spoked wheels rotating in opposite directions. [15] Roy focuses not only on the motion but also the sound. He has developed escapements that are either nearly silent or that produce the soft clicking of wood on wood. [16] A few incorporate wind chime tubes. [6]
2.5D (basic pronunciation two-and-a-half dimensional) perspective refers to gameplay or movement in a video game or virtual reality environment that is restricted to a two-dimensional (2D) plane with little to no access to a third dimension in a space that otherwise appears to be three-dimensional and is often simulated and rendered in a 3D digital environment.