Chemical vapor deposition (CVD) has been used for decades to make thin films, fibers, and bulk materials used in a range of applications. Modifications of CVD, for example, plasma enhanced CVD, have been used to create unique structures by varying process parameters. This technology results in particles with the structure of an inverted truncated right circular cone that could serve as interconnects or as mini energy storage units for solar cells. It could also be used as filler particles in polymer composites, where their unique structure could provide advantageous properties.