Computer-aided design software lets you design 2-D and 3-D drawings and models, replacing traditional pencil-and-paper drafting to create blueprints with easily altered electronic files. In the ...

This content was produced in partnership with Autodesk. AutoCAD has long been a staple of design and drafting tool sets, from architects and engineers to construction pros. It allows you to both ...

External references, or xrefs, are files brought into AutoCAD drawings as attachments or overlays. The option to overlay or attach an xref is available under the Reference Type section of the Attach ...