i have a problems with a blueprints. i cant turn it around its only with this one the size is 3 wide, 5 high and 20 long maybe thats the problem i dont know maybe you guys know
If your blueprint contains a structure made of blocks then you cant rotate it.
Only blueprints made of objects and/or wooden,glass structures can be rotated. adding even 1 block into the blueprint will render it unable to rotate or angle when placing.