Nasa Prandtl variation, printable in one print with Bambulab's A1 Combo. model generated here https://www.flyuav.lt/airfoil_finder_v2/ bell-shaped lift distribution (BSLD), using original aspect ratio ~15 (so pitching and proverse yaw moments should be fine) p.s. moments not guaranteed for other aspect ratios (i.e. wingspan/chord), but BSLD should stay