A friend helped.
Steps are:
Sew all the sheet bodies together.
Extrude the circle curve into a cylinder, using Boolean None.
Trim Body, select the cylinder and then select the sewn face of all the reflectors.
Hi,
I generated a CPC (parabolic reflector) in ZEMAX and exported it as STEP file, imported it into NX and I got a Body. I made a few copies of that body and moved them apart a little, but some of them overlapped, so I used the Trim Body tool to get rid of unwanted pieces.
Now I have a...