Leo looked at the blueprint. In the title block, it simply read: ISO 2768-m .
For large structures where high precision is impractical. Nominal Length Range (mm) m (medium) c (coarse) v (very coarse) Over 6 to 30 Over 120 to 400 Over 1000 to 2000 Iso 2768 General Tolerances Pdf
Here's an overview of the standard:
: For critical fits like bearings or shafts, professionals recommend using more specific standards like alongside ISO 2768. Xometry Pro Accessing the Standard Leo looked at the blueprint
is a canyon. The gears are seizing because your 'General Tolerance' was too generous." Geometry of Silence Iso 2768 General Tolerances Pdf