0002 Three-Dimensional (3-D) printing is a process used for the production of 3-D models
by building parts, typically in layers. Such 3-D models are used, for example, as 3-D …

A System and a method of fabricating a three-dimensional object on a Substrate includes
adding material layers incre mentally and consolidating the layers by using ultrasonic …

(57) ABSTRACT A System and method for building three dimensional objects may adjust
data used to build the objects to, for example, improve quality or correct for defects. A printer …

Apparatus for producing an object by sequentially forming thin layers of a construction
material one on top of the other responsive to data defining the object, the apparatus …

A method to help control the quality of printed three-dimensional objects is provided. The
method may include depositing building materials to print a three-dimensional object with an …

SUMMARY 0005 Embodiments of the present invention provide apparatuses and methods
for controlling the quality of printing in three-dimensional object-printing Systems. A printing …

A system and a method of fabricating a three-dimensional object consolidates material
increments in accordance with a description of the object using a process that produces an …

SIONAL OBJECTS, which claims priority from US pro visional patent application Ser. No.
60/344,038, filed Jan. 3, 2002, and entitled,“ACCURATE PRINTING OF THREE …

A lamination shaping apparatus has a powder layer preparing means and an optical unit
which irradiates a light beam to an intended portion of a powder layer so as to sinter or melt …

Apparatus and method for controlling modeling material supply in a three-dimensional
object-printing system (100). The apparatus may include one or more cartridges (180) …