X(2), X(7), X(369), X(370) and its five mates (blue points)
A', B', C' : midpoints of ABC
Ga, Gb, Gc : vertices of the antimedial triangle
isotomic conjugates of X(616), X(617)
extraversions of X(7)
Q100 is the locus of M such that the Euler line of the cevian triangle of M passes through the circumcenter O of ABC (Nikolaos Dergiades, ADGEOM #909).