Because the is hosted behind a geofenced paywall with user attestation (US users only, theoretically), DEFCAD argues it is not "published" to foreign nationals, thus skirting ITAR. Critics call this a loophole; supporters call it compliance.

: To download files, users must undergo a vetting process to ensure they are U.S. persons, as export laws strictly prohibit sharing this data with foreign nationals.

: A search engine and web portal for 3D-printable computer-aided design (CAD) models, primarily focused on firearms and related parts. Platform Model