If you want your 3D model to appear at a fixed location then you need to work with GeoLocation feature. You can read more information on GeoLocation class here. There is a sample app that we have uploaded and you can find more details here.
over 4 years ago
i try to figure out a solution that make me show fixed 3D models in fixed position relative to my current position which they doesn't move chen i change my location.
the idea is to show balls around a store and i try to find them when i walk around the store this is the whole idea