1-Draw a thin frunk (a). Add branch lines (b).
2-Add small lines coming from the larger branch lines.Smaller lines.
3-Add smaller lines to all of the larger ones.
4-Draw tiny hatch marks on each small branch line.
5-Do that for each branch line.
6-Fill empty spaces with lines.
7-Add needles to the lines.
8-Continue to fill empty areas.
9-Blend as desired.
