https://youtu.be/22v0656grso?t=106
PLEASE, HELP ME!!!
umg widget and complex blueprints! They’ll be selling their whole ‘‘system’’ soon so you’ll be able to copy it 
It should work like an ordinary minimap -> https://www.youtube.com/watch?v=adYVI5XYmoI or https://www.youtube.com/watch?v=EM9t86JjeqM 
Well but it is not like an 1on1 scene texture. You see obviously an CAD like minimap. Maybe the CAD map is created manually an set as a texture for the ground/roof. Someone better ideas?