abstract
angular
basic
beam
beams
black
circle
circular
cochlear
compound
cycle
element
face
flake
form
geometric
geometry
helix
icon
linear
lines
motif
optical
outline
radial
radiate
radiating
radiation
radii
radius
ray
rays
round
shape
simple
snowflake
spike
spin
spire
spokes
starburst
structure
swirl
symbol
twirl
visual
volute
vortex