Translations:Manual:Parametric objects/3/en

Parametric objects, in FreeCAD, are in reality small pieces of a program that run whenever one of the parameters has changed. Objects can have a lot of different kinds of parameters: numbers (integers like 1, 2, 3 or floating-point values like 3.1416), real-world sizes (1mm, 2.4m, 4.5ft), (x,y,z) coordinates, text strings ("hello!") or even another object.