olderdan has a soundly designed T&C setup here. I am not familiar with commercialized TipLap. I suspect their proofs of concept and initial prototyping was identical to this. A lot of recognized equipment gets that way from sales volume and marketing, even if only making a "I've seen those before" reaction.
But generating homebuilt is a whole different cookie, especially where I think too many get caught up in thread cutting exercises, to substitute the micrometer head. Add graduating a barrel, thimble, backlash comp, means of zeroing....yaddy yaddy yaw. What for? It's still just a cut thread (often better, modify a SHCS in a easily divisible pitch - in smooth rolled threads).
Anyway, this version can be easily tuned square and parallel. Adapting a few special holders would tip solid boring bars and anything guys pant on single lip Deckels for; and not 3something grand used!
My contribution would be a collet block, 5C and probably 24 stop indexing. I can see this (mine?) in extruded 80/20, linear guides on a large granite tile with rubber feet.

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