Guide

Wondering about the differences between straightedge and ruler? Indeed, both of them look like a long blade, but they are not the same. Are you confused about which one to use for your project? This page will cover the answers to those questions. Ruler 1. Function A ruler is one of the most common and … Read more

Flatness and surface profile lie in two different fundamentals of GD&T (out of a total of four) namely, flatness is categorized as “form”, while the surface profile is categorized as a feature of “profile”. All “form” features are used for individual features; which is why they don’t require a datum for their complete definition. The … Read more