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In 3D printing, the bulk of each printed layer, regardless of complexity, is deposited by the same, rapid spreading process. [ 9 ] As with other powder-bed technologies, support structures are generally not required because loose powder supports overhanging features and stacked or suspended objects.
Similarly, spray powder is not generally used in sheet-fed (silk) screen-printing, ink-jet or toner based digital printing. In the UK, many Carrom players use a version of anti-set-off spray powder from the printing industry [ citation needed ] which has specific electrostatic properties with particles of 50 micrometres in diameter.
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.
Threeding is an online marketplace and community for the exchange and sale of designs and templates related to 3D printing and modeling. The platform allows users to create personal storefronts where they can list and sell 3D-printable models to a global audience. It is one of several repositories within the 3D printing industry. [1]
Lenticular printing is a technology in which lenticular lenses (a technology also used for 3D displays) are used to produce printed images with an illusion of depth, or the ability to change or move as they are viewed from different angles.
The Blend4Web framework leverages Blender to edit 3D scenes. Content rendering relies on WebGL, Web Audio, WebVR, and other web standards, without the use of plug-ins. [2] It is dual-licensed. The framework is distributed under the free and open source GPLv3 and, a non-free license - with the source code being hosted on GitHub. [3]
Early construction 3D printing development and research have been under way since 1995. Two methods were invented, one by Joseph Pegna [9] which was focused on a sand/cement forming technique which utilized steam to selectively bond the material in layers or solid parts, though this technique was never demonstrated.
The interface is indicated by the dotted line. A) Non-crosslinked polymers are somewhat free to diffuse across the interface. One loop and two distal tails are seen diffusing. B) Crosslinked polymers not free enough to diffuse. C) "Scissed" polymers very free, with many tails extending across the interface.