Draw a loose branching outline with irregular arms
Vary the thickness of each branch
Add smaller offshoots along the branches
Keep the shapes uneven and organic
Round the tips slightly
Add small bumps and holes for texture
Layer additional branches behind the front ones
Use curved lines instead of straight lines
Darken the base where branches connect
Add fine surface details with short lines and dots
Shade the lower and inner areas
Leave some open spaces between branches
Refine the silhouette to make it natural
Erase unnecessary construction lines
Add color with warm reds, pinks, oranges, or purples