How Do You Set a Datum on a Warped Surface?

A large casting or sheet metal panel is never perfectly flat — so how do you establish a reliable datum on a surface that's rough, flexible, or warped to begin with? Lesson 10 covers Datum Targets — points, lines, and limited areas used instead of a full surface — and why this technique is standard across automotive and aerospace manufacturing. Previous: Lesson 9 — Material Condition Modifiers → Next: Lesson 11 — Print Reading & Real-World Application → Full course playlist → #GDT #DatumTargets #SheetMetal #ASMEY145 #MechanicalEngineering