hello blenderfamily
is there a way to control where the shrinkwrapped mesh can go and where not??
for example i want to shrinkwrap the green mesh on the blue part… but not on the red…
seems everytime it wraps just everywhere…
is there a way to control where it can go…and where not …
like a masking feature or so ???
thanks a bunch in advance
PS when I try vertex group there s no group that shows up 
The vertex group is for the object the modifier resides on, not the target. This is for things like… shrinkwrapping only the head of a fullbody human mesh to a separate head mesh.
What exactly are you trying to do? There’s probably a better method if we know what the actual application this is being done for. Because as far as I know there isn’t a way to do what you demonstrated in your images, aside from changing the geometry + placement of the shrinkwrapped object.
thanks…
I am just trying to fill/cover up the blue area, nothing less, nothing more…
that s what I feared for : “only will work by changing geometry and placement…”
no mask or target vertex group 
This object should be easy if you start from the blue part. Or - one loop from the red walls could be used to knife project blue surface which you then could snap into place. Could be a bit tricky to adjust though if there is no symmetry.
thanks mister
but I just don t fully understand the knife project trick
could you give little extra explanation?
Starting from 1, if i got the base right - make one loop, separate into a new Obj - P key.
Position this loop above surface you want as a top; select loop first then Shift select surface and switch edit mode.
Top Ortho view, press Knife Project button on tool shelf.
P separate selection into a new object or invert selection and delete - faces.
If you deleted inverted, extrude selected vertices Z as needed. For the new obj, do the same.
Scale bottom vertices Z0 to flatten.
liels paldies
I really appreciate that
very helpful and well explained
thanks again for taking the time
Nav par ko ;).
Additionally, you could join top and base so that objects intersect each other, use “Intersect (Knife)” [for a new versions of Blender; there was only Intersect available earlier] you can find in Space bar search and after check option Self Intersect (Toolshelf or F6 popup) clean up not needed vertices.
This will leave n-gons though.
COOL!!!
thanks again–
