R: touch; T: tree; D: 0
A tree no larger than 60 ft tall and 25 ft in diameter topples over, as if neatly cut. The result is dependent on the [dice] invested. Alternatively, you reduce the tree to sawdust or woodchips in 24-[sum] minutes.
At 1 [dice], the tree is cut and broadly delimbed.
At 2 [dice], the tree is also debarked.
At 3 [dice], the tree is cut into stacked planks as per your specifications.
At 4 [dice], the planks are also sanded and finished, and small limbs are piled for kindling.