both setr (rotation) and setp (positioning) console commands should work for blueprints.
A good trick is to include 1 block in blueprints to make positioning much easier with the block grid
anyway to lower it? I have a blueprint that keeps setting up 10 feet in the air and I get get it down on the ground 
pgup/pgdown 
anyway to lower it? I have a blueprint that keeps setting up 10 feet in the air and I get get it down on the ground
to elaborate on what @dagoline said, right click once when you see the blueprint in the ghost form then use PgUp or PgDn and once you see it in the correct position right click again to place it
well that is what I thought but since I use the function key with my lap top to get pg up and down being away from my desktop for a few days but it did not seem to work. Blueprints dropping have always been a mystery with me because they do not seem to immediately place with mouse buttons like other objects.
Anyway I will try it again Thanks. if not I will just wait till tomorrow when I am home. Thankyou
left button - fix it - than right button to place it
pgup /down or you can use + / - on the numpad
well that is good for other people just like wood.. my laptop does not have a keypad. the Fn Key down arrow does it. It is the fixing of it so that you can set it. The only issues are that allot of builders use wood or build on flatten loam so you have to clear out tall the rocks, grass and dirt that shows up in it or you have to build a foundation for it prior to setting it down. Not complaining just letting peeps know 
