A tray assembly adapted to be removably connected to a fixture, e.g. a tripod, ladder, chair, a rigid fixture or other single or multi-legged device, the assembly including a tray adapted to support objects, a securing mechanism for operatively attaching the tray to the fixture and optionally a support leg for maintaining the tray at a desired position in relation to the fixture. Methods for securing a tray assembly to a fixture and using the assembly are disclosed.