Here there are some picture I made. Click on the image to view it at full size!

You can download and use these images, but please cite the corresponding paper indicated in the caption.

Surfaces in Heisenberg:

An Euclidean sphere centered at the origin of the Heisenberg group. Its characteristic foliation consists of loxodromes spiraling around the poles [BBCH20, Remark 4.3].
Picture in [BBC20]

Bibliography:

[BBCH20] arXiv:2004.13700
[BBC20] arXiv:2009.11748