The human.off point cloud is available at this webpage :
http://segeval.cs.princeton.edu/

Models in the Shape Repository are made freely available for research
and non-commercial purposes only. Use of these models for commercial
purposes is permitted only after the express approval of the Shape
Repository and the onwner has been obtained. Please contact Princeton
University by using the webform on their site in this regard.

Citation

If you use any part of this benchmark, please cite:
Xiaobai Chen, Aleksey Golovinskiy, and Thomas Funkhouser,
A Benchmark for 3D Mesh Segmentation
ACM Transactions on Graphics (Proc. SIGGRAPH), 28(3), 2009.