Design decisions, study protocols, machining notes, and the occasional dead end. If we learned from it, it belongs here.
To hole a putt, the face has to be within a fraction of a degree of square at address. This entry documents both halves of how we're chasing that tolerance — the completed geometry-track results (with the actual charts) and the sightline study still ahead.
Impact is understood to last under half a millisecond — brief enough that the hand alone may resolve little detail. Published research indicates impact sound is one important contributor to perceived feel. How we plan to measure and tune 001's acoustic signature.
We started a company to close the loop between what a putter claims and what a measurement shows.