Here you can find highly detailed, different stump models.

Triangle counts:

Stump 1 - 6450 tris

Stump 2 - 7250 tris

Stump 3 - 4900 tris

Stump 4 - 7970 tris

Stump 5 - 7010 tris

Stump 6 - 7300 tris

Stump 7 - 7160 tris

Stump 8 - 5680 tris

Stump 9 - 8750 tris