A 3D model of an anime tree would likely feature exaggerated proportions, vibrant colors, and whimsical details. The tree trunk could be stout or slender, adorned with swirling patterns or glowing runes. Branches might twist and curl, resembling elegant strokes of calligraphy, with leaves ranging from delicate petals to star-shaped foliage. The overall aesthetic would evoke a sense of fantasy and wonder, inviting viewers into a world of imagination and adventure.