Insights

Notes on GD&T, tolerance analysis, design for manufacturing, and engineering tools. Short, specific, useful.

GD&T has a reputation problem. It scares people. We built DatumPilot because we think the problem isn't the standard—it's the tools.

Tolerance stack-ups: what they are and when to run them

Stack-up analysis tells you whether your parts will actually fit together. Here's when you need one and how to think about it.