I'm trying to design a holder for a UV filter that will slip over the end of a photographic flash unit. I have the sleeve for the flash and the ring to hold the UV filter. I'm trying to figure out if I place the ring 25mm from the end of the flash sleeve, is it possible to have Solidworks connect the two to make a smooth transition? The ring, of course is round, but the flash sleeve is essentially a rectangle with rounded corners and slightly tapered on the sides. Is this possible? Sweeps only allow for one profile and a path, and boundary wouldn't allow me to select the end of the flash sleeve as it contained too many entities.
Boundary or Loft will do it
It would have been marginally easier to do if you didn't hollow the part already. The Shell feature is great for hollowing out a completely solid volume after the fact.
So use Boundary but right click "Selection Manager" to select just the exterior set of edges.
Might need to drag the end connectors to get it to preview, and you can set tangent to the other faces for a smooth transition.
Then this will make a solid bridging piece, you would have to use Shell feature and select the front and back faces and set the desired wall thickness to hollow it out