Autodesk Flame viewer overlay presets for SMPTE 2046-2 safe areas (93% Safe Action, 90% Safe Title) as well as a 4:3 center-cut active image guides. Includes HD and UHD versions.
Un-tar and place the .pref files in the desired directory:
/opt/Autodesk/user/USER/guides/pref/
/opt/Autodesk/presets/FLAMEVERSION/guides/pref/
replacing USER or FLAMEVERSION with the appropriate Flame user profile or Flame version number respectively.
Then use in Flame from the Overlays panel (Alt-3 in 2021 and below, Ctrl-2 in 2021.1 and above.)
Looking for guides for Adobe After Effects and/or Premiere? Click here.
Reference document: SMPTE RP 2046-2