This is a remix of an open face interface for the quest 3 to fit nicely with a BoboVr or similar halo type head band, I have removed most of the top part where the pad attaches too to allows for front pad arm of the Bobovr to sit flush, then you can attach a small amount of velcro tape to the remaining part of the forehead part of the interface to be able to move the bobovr front pad down that then joins the 2 together and is a very nice forehead pad.
Mk 4 update design now in downloads, (been learning fusion 360) so refined the design and made if look a lot more smoother.