Viewing, opening your own files and making share links need no account. Downloading a model from this device as GLB, STL or USDZ does: open the menu on its card on Home, choose Download GLB, Download STL or Download USDZ, and sign in with a 6-digit code sent to your email. The download then starts by itself.
The account is free, and the emailed code is the only way in; Continue with Meta is off for now, in the browser and in the Quest app. A code works for 10 minutes, and a new one can be sent after 60 seconds. A session lasts 30 days unused and 90 days at most. GLB keeps every part, material and picture; STL is millimetres, Z up, no colour, for a slicer; USDZ is for AR Quick Look on iPhone, iPad and Vision Pro.
No. A share goes up signed out. Signing in afterwards lets you manage that link from any device.
Not at the moment. Sign-in is by a code sent to your email.
Its licence does not allow sharing or downloading, so the entries are off for it.
Yes. On a Quest 3 or 3S, sign in on your phone and scan the code it shows with the headset.
Yes. Open Account, press Delete account and enter the code emailed to you. It deletes the account and every link it manages.