in Model Space. Paper Space is where you arrange those designs on a virtual sheet of paper for output.

For its time, Civil 3D 2012 was demanding:

This was the era when Autodesk began teasing the potential of cloud computing. Civil 3D 2012 offered integration with (the precursor to AutoCAD 360), allowing engineers to upload drawings to the cloud for viewing and light editing on mobile devices. This was the first step toward the "work from anywhere" paradigm that is standard today.

No built-in BIM 360 or cloud storage. Collaboration required manual file sharing or third-party Vault.