A system comprising: a programmable processor-based subsystem configured to generate simulation data corresponding to a virtual weldment generated in real time in virtual reality space, and a 3D display-facilitating device operatively connected to a 3D conversion unit and configured to receive the 3D data from the 3D conversion unit and facilitate displaying of a stereoscopic representation of the 3D data, in a stereoscopic display format in real time, wherein the three-dimensional conversion unit is operatively connected to the programmable processor-based subsystem and configured to convert at least a portion of the simulation data, representative of at least a portion of the virtual weldment, to 3D data in a stereoscopic 3D transmission format; in real time, and wherein a weld bead portion of the virtual weldment results from a simulated weld puddle having real-time molten metal fluidity and heat dissipation characteristics providing a real-time fluidity-to-solidification transition of the simulated weld puddle as the simulated weld puddle is moved to form the weld bead portion of the virtual weldment, characterized in that the 3D display facilitating device comprises a 3D projector, and/or a 3D television set, and that the system further comprises: a display screen operatively connected to the 3D display-facilitating device and configured to display the stereoscopic representation of the 3D data; and 3D eyewear configured to be worn by a user to view the representation of the stereoscopic 3D data on the display screen as a 3D image in 3D space, wherein stereoscopic 3D transmission format includes one of frame sequential, frame parching, side-by-side, or checkerboard formats. a programmable processor-based subsystem configured to generate simulation data corresponding to a virtual weldment generated in real time in virtual reality space, and a 3D display-facilitating device operatively connected to a 3D conversion unit and configured to receive the 3D data from the 3D conversion unit and facilitate displaying of a stereoscopic representation of the 3D data, in a stereoscopic display format in real time, wherein the three-dimensional conversion unit is operatively connected to the programmable processor-based subsystem and configured to convert at least a portion of the simulation data, representative of at least a portion of the virtual weldment, to 3D data in a stereoscopic 3D transmission format; in real time, and wherein a weld bead portion of the virtual weldment results from a simulated weld puddle having real-time molten metal fluidity and heat dissipation characteristics providing a real-time fluidity-to-solidification transition of the simulated weld puddle as the simulated weld puddle is moved to form the weld bead portion of the virtual weldment, characterized in that the 3D display facilitating device comprises a 3D projector, and/or a 3D television set, and that the system further comprises: a display screen operatively connected to the 3D display-facilitating device and configured to display the stereoscopic representation of the 3D data; and 3D eyewear configured to be worn by a user to view the representation of the stereoscopic 3D data on the display screen as a 3D image in 3D space, wherein stereoscopic 3D transmission format includes one of frame sequential, frame parching, side-by-side, or checkerboard formats. <EOS>