symmetrical
adjective
[ sɪˈmɛtrɪk(ə)l ]
• made up of exactly similar parts facing each other or around an axis; showing symmetry.
• "the shape of a hill, smooth and symmetrical"
Similar:
regular,
uniform,
consistent,
evenly shaped,
aligned,
in line,
congruous,
equal,
mirror-image,
mirror-like,
well balanced,
balanced,
well proportioned,
proportional,
in proportion,
even,
harmonious,