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.x_b

Parasolid binary part file, the native kernel geometry format used by Siemens NX and SolidWorks CAD

Not yet supported

Format facts

MIME type
application/x-parasolid
Apple UTI
custom
Stock Quick Look
no stock preview
Planned approach (census)
metadata-only
Icon hint
generic-icon
Prevalence
common

Renderer note (from the census)

parse binary header for body count

Census note

Mechanical engineers share Parasolid files; native macOS shows nothing for these binary geometry files.

Gotchas: Siemens CAD