Electronic Studio Flash
A follow-on project to the original "Thread-Head" lamphead resulted in a self-contained "Monobloc" unit favored by location photographic professionals.
This design eliminated the ugly divots that screws required and replaced them with sleekness (fastening the two halves together was too clever for reproducing here).
The solution also was kind to the customer, requiring only 1/2 the tooling budget he anticipated, because both halves of the housing are identical (including the threads).
All electronic design and engineering, firmware development derivative our our knowledge of the physics of Xenon gas was part of the bargain.