Mesh is manifold. Measure units are millimeters, it is about 5.8 cm in height.
Faces count: 690766 (tris)
Here is three version of the model:
1) Ftree-Solid.blend (.obj, .stl, .fbx, .dae)
2) Ftree-Solid-dry.blend (.obj, .stl, .fbx, .dae) The tree without foliage.
3) Ftree-Parts.blend (.obj, .stl, .fbx, .dae) Contains separate parts before bolean operations.
Available formats: .blend, .obj, .stl, .fbx, .dae