Images best-fitting EHT data from April 11, 2017, HI band, corresponding to a geometrically thick accretion disk in a Kerr spacetime with spin a = 0.8M (left column), in a boson-star spacetime of the same spin with k = 1 and ω = 0.77 (middle column), or in a Lamy spacetime of the same spin with b = M (right column). The disk inner radius is of r_in = 2.91M for the left and right panels, and r_in = 3.5M for the central panel. As in all figures, the bottom row corresponds to the top row images blurred to the EHT resolution of 20 μas; the dashed blue circle has a diameter of 40 μas (the size of the ring feature reported by the EHT) and the blue arrow shows the projected direction of the approaching jet. The best-fitting compact-object mass and jet position angle east of north are specified in each bottom panel.