abstract
age
annual
background
black
circular
concentric
conceptual
cross
cut
design
drawn
environment
forest
growth
handcrafted
history
icon
life
log
logging
logo
lumber
natural
nature
organic
ornament
pattern
pine
plant
plywood
rings
ripple
rough
round
section
shape
slice
split
stump
symbol
texture
timber
tree
trunk
vector
wallpaper
wood
wooden
year