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An acoustic hologram is a mask that will direct the sound field to form the desired pattern. ... Rapid, large-volume, thermally controlled 3D printing, using a mobile ...
There is also commercial interest in 3D printing whilst levitated, with Boeing filing a patent on the concept. [ 65 ] Acoustic levitation has also been proposed as a technique for creating a volumetric display , with light projected onto a particle, which moves along the path to create the image faster than the eye can process.
Computer-aided design (CAD) model used for 3D printing. The manual modeling process of preparing geometric data for 3D computer graphics is similar to plastic arts such as sculpting. 3D scanning is a process of collecting digital data on the shape and appearance of a real object, creating a digital model based on it.
An SLS machine being used at the Centro de Pesquisas Renato Archer in Brazil.. 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.
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.
Each sheet in the volumetric stack is printed with a color slice of a digital 3D model, placed in a vacuum chamber, and then injected with a fluid matching the index of refraction of the sheet material. [3] Volumetric printing has been called "Hologram 2.0" by a company marketing the technology.