31. A system for synchronizing an annotated 3D computer-aided design (CAD) model and a 2D drawing, the system comprising: a communications interface configured to receive a 2D drawing based on an annotated 3D CAD model of a physical part or assembly; and a processing circuit configured to: identify supplemental content in the 2D drawing that is not included in the annotated 3D CAD model; and modify the annotated 3D CAD model to include 2D drawing parameters that include the supplemental content from the 2D drawing, wherein the 2D drawing parameters provide instructions for reproducing the 2D drawing including the supplemental content, such that the 2D drawing is not saved.
31. A system for synchronizing an annotated 3D computer-aided design (CAD) model and a 2D drawing, the system comprising: a communications interface configured to receive a 2D drawing based on an annotated 3D CAD model of a physical part or assembly; and a processing circuit configured to: identify supplemental content in the 2D drawing that is not included in the annotated 3D CAD model; and modify the annotated 3D CAD model to include 2D drawing parameters that include the supplemental content from the 2D drawing, wherein the 2D drawing parameters provide instructions for reproducing the 2D drawing including the supplemental content, such that the 2D drawing is not saved. 34. The system of claim 31 , wherein the processing circuit is configured to use the 2D drawing parameters within the annotated 3D CAD model to re-create the 2D drawing including the supplemental content.