Two Universes (Summer 2024)

The GD&T Guy returns with some thoughts about what makes Dimensioning and Tolerancing mentally challenging: that we're constantly shifting between the universe of imaginary, perfect geometry, and the universe of imperfect manufactured parts.

All of the drawings referenced in this and the other episodes in the series can be found at https://mountaintopdevice.com/gdt-guy... - all free for you to download, use, and share!

0:00 Start
4:48 Why 2D drawings persist
7:32 Two Universes
11:47 Plato and Aristotle talk tolerance
16:35 Imaginary geometry: tolerance zones, AME, VC
19:45 Datums, Datum Reference Frames
24:30 High-quality datum simulators
27:21 Conclusion