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  2. 3D printing - Wikipedia

    en.wikipedia.org/wiki/3D_printing

    As of 2020, 3D printers have reached the level of quality and price that allows most people to enter the world of 3D printing. In 2020 decent quality printers can be found for less than US$200 for entry-level machines.

  3. Selective laser sintering - Wikipedia

    en.wikipedia.org/wiki/Selective_laser_sintering

    Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power and heat source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.

  4. Selective laser melting - Wikipedia

    en.wikipedia.org/wiki/Selective_laser_melting

    Selective laser melting (SLM) is one of many proprietary names for a metal additive manufacturing (AM) technology that uses a bed of powder with a source of heat to create metal parts. Also known as direct metal laser sintering (DMLS), the ASTM standard term is powder bed fusion (PBF).

  5. Stereolithography - Wikipedia

    en.wikipedia.org/wiki/Stereolithography

    Since 2012, however, public interest in 3D printing has inspired the design of several consumer SLA machines which can cost considerably less. Beginning in 2016, substitution of the SLA and DLP methods using a high resolution, high contrast LCD panel has brought prices down to below US$ 200. The layers are created in their entirety since the ...

  6. Lidar - Wikipedia

    en.wikipedia.org/wiki/Lidar

    Airborne lidar (also airborne laser scanning) is when a laser scanner, while attached to an aircraft during flight, creates a 3-D point cloud model of the landscape. This is currently the most detailed and accurate method of creating digital elevation models, replacing photogrammetry.

  7. Laser cutting - Wikipedia

    en.wikipedia.org/wiki/Laser_cutting

    Laser cutting works by directing the output of a high-power laser most commonly through optics. The laser optics and CNC (computer numerical control) are used to direct the laser beam to the material.