well i found this nice script here that works nicely http://forums.cgsociety.org/archive/index.php/t-867929.html here's my sword and before and after uvs there is one piece that is similar but i flip it horizontal and that doesn't help when i try to stack it w/ script, it's not a perfect fit. i hesitate to move verts in…
the UV deluxe tool isnt mel based, so make sure your posting the code into a python tab. make a python tab in the script editor past this code in from UVDeluxe import uvdeluxeuvdeluxe.createUI() than save to shelf.
Without any scripts, you want to flip it, then change the move pivot to one of the verts (hold d and v key and move pivot to some vertex). Then make sure the translate settings are set to retain component spacing, and hold v and move one shell to snap to the other shell.
to answer the original question the fastest way to get those perfectly on top of each other is to select both in face mode and than do a new planar projection from the front. done. now seeing your final uv map where more than 50% is unused space id strongly advice to not yet go ahead and start texturing but to layout your…