PCB schematics saved in EAGLE format (.brd) can be exported to all kinds of other 2D technical vector graphics, including perhaps STEP format (.stp, .step). Such brd to step conversion can be usually done with various CAD software, or dedicated PCB software.
Open BRD file Open STEP fileAn open source multiplatform 3D CAD/MCAD/CAx/CAE/PLM modeler