Importance

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Abstract

The present invention provides a process for producing at least one three-dimensional object, comprising: providing a material to be solidified; delivering electromagnetic radiation and/or synergistic stimulation in a pattern or an image to a building region for solidifying said material; wherein said delivering of electromagnetic radiation and/or synergistic stimulation is performed selectively to a defined area or volume of said material to be solidified; and wherein an energy density of electromagnetic radiation and/or synergistic stimulation is controlled and/or adjusted in a border region of said pattern or image and/or is varied in border regions of patterns or images of different building regions of said material, to have an energy density different from the building region other than said border region(s), wherein the controlling and/or adjustment is dependent on, alone or in combination: (a) intensity of electromagnetic radiation and/or synergistic stimulation delivered to said defined area or volume of said material to be solidified; (b) total shape or contour shape of said defined area or volume of said material to be solidified; (c) size of said defined area or volume of said material to be solidified; and (d) material to be solidified. A device is provided likewise.

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First Claim