Recently setup a Raspberry Pi 3B+ and official 7" display running Octoprint and TouchUI....
Getting it up and running went reasonably smoothly apart from a couple of glitches until I got my head around how to do things, which considering I've never used linux etc before I thought wasn't to bad.
Problem I'm having is getting the temperature-graph to display correctly, it's all squished into the top half of the display.
After doing alot of searching and reading, I believe it can be corrected by using a custom LESS file as mentioned by the original author of the TouchUI plugin in afew places - ONE EXAMPLE
I've got my custom LESS file done - /home/pi/my_custom.less and set within TouchUI... But my limited knowledge has run out and wondered if I could get some help sorting the contents etc needed!?!