VNC over tunnel

On remote

apt install x11vnc # ...

On local

ssh -L 5901:localhost:5901 -N -f -l user server.com -p 40000

generates a ssh tunnel.

sudo apt install -t stretch-backports remmina

Connect to

127.0.0.1:5901 # vnc protocol

Blender won’t run, but blender-softwaregl might.