This is a Simple, highly customizable, bicopter building plate. Print two, throw a 28cm 10x10mm tube between them, 10mm standoffs, stack on some 1035497 Impossible Tilt mechanisms, Turnigy TGY-210-BMH servos, and standard 5 or 6" quad motors, your favorite FC and firmware, enjoy. Can easily be customized for top/bottom mount battery, CG, FC location, etc. Nothing fancy, just simple and functional.
OpenSCAD file provided for additional customization.
Sample Flight with hodge podge of many thingi parts combined: