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Apparatus for production of three-dimensional objects by stereolithography

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TLDR
In this article, a system for generating 3D objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction is presented.
Abstract
A system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process.

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Citations
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3D bioprinting of tissues and organs

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Polymers for 3D Printing and Customized Additive Manufacturing

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3D printing of polymer matrix composites: A review and prospective

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The status, challenges, and future of additive manufacturing in engineering

TL;DR: Future directions such as the "print-it-all" paradigm, that have the potential to re-imagine current research and spawn completely new avenues for exploration are pointed out.
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Bone tissue engineering using 3D printing

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References
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Automatic method for fabricating a three‐dimensional plastic model with photo‐hardening polymer

TL;DR: In this article, a solid model is fabricated by exposing liquid photo-hardening polymer to ultraviolet rays, and stacking the cross-sectional solidified layers, and a transparent model whose internal structure was visible from the outside of the model was obtained.
Patent

Method and apparatus for production of three-dimensional objects by stereolithography

TL;DR: In this article, a system for generating 3D objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction is presented.
Patent

Method, medium and apparatus for producing three dimensional figure product

TL;DR: In this paper, a three-dimensional figure is formed in situ in a medium having two active components by causing two radiation beams to intersect in the media, and dissimilar components are selected to respond to the simultaneous presence of the beams and to either react or to produce reactants which render the intersection of the two beams physically sensible or distinguishable.
Patent

Three-dimensional systems

TL;DR: In this article, a method and media are provided for producing three-dimensional sensible objects by the intersection of radiation beams, whereby an active region is produced as a result of the intersections of said beams raising a molecule in the active region to its excited state.
Patent

Method of generating and constructing three-dimensional bodies

TL;DR: An arrangement for generating and constructing three-dimensional surfaces in which the surface or body to be constructed is subdivided into planar elements is described in this article. But this arrangement is not suitable for 3D surfaces.