Yes, for folks who are curious about this sort of thing see:
https://wiki.shapeoko.com/index.php/List_of_Tools#Sector
and the book A Treatise of Mathematical Instruments by John Robertson.
The full title is:
A
Treatise
of such
Mathematical Instruments,
as are usually put into a
portable case
Showing some of their uses in
Arithmetic, Architecture, Geometry, Surveying, Trigonometry, Geography, Spherics, Perspective, &c.
with
An Appendix
containing
The Description and Use of the
Gunners Calipers
and
The Description and Precepts for the Delineation of
Ship-Guns and Sea Mortars
My current reading is also topical: The Perfectionists: How Precision Engineers Created the Modern World by Simon Winchester — highly recommended.
and c.f., my first project on my Shapeoko 3: