CalmPlex ConeFusionTM
Solution
Numbers in (red) are
total solutions possible for that shape.

ConeFusion Cone (2)
I thought about this puzzle shape, off and on, for
almost 3 years. The problem was with changes in the
diameters so that every part was easily seen as to
placement - in particular, that top piece. I solved
the problem by making a puzzle within the puzzle
before the final outer pieces could be placed.