Either use a sheet with 1 UU distance as you said or use brush sinking
(wiki.beyondunreal.com is down again, so I linked G00gle cached page).
Link to wiki.beyondunreal.com: Brush sinking
Last edited by Barbie
on Wed Aug 08, 2018 2:09 am, edited 1 time in total.
"Multiple exclamation marks," he went on, shaking his head, "are a sure sign of a diseased mind." --Terry Pratchett