Free tool to create 3D model of a tree.The tool is free to use. You can use the trees created as you like, including in commercial projects. Attribution is appreciated but not required.

Created using Three.js. Wood textures is from FREESTYLIZED.COM

Key	Action
h	Hide the gizmo
t	Set gizmo to translate mode
r	Set gizmo to rotate mode
s	Set gizmo to scale mode
v	Toggle sphere display