CAD Fundamentals
CAD (Computer-Aided Design) fundamentals cover the basic concepts of creating, modifying, and analyzing digital models of physical objects. Key concepts include coordinate systems, sketching, constraints, features, and the parametric modeling workflow.
Knowledge Check
1.What does CAD stand for?
2.In a 3D CAD system, which coordinate system is most commonly used to define point locations?
3.What is a 'sketch' in parametric CAD modeling?
4.Which type of constraint ensures that two lines remain at a 90-degree angle?
5.What is the primary purpose of applying geometric constraints in a sketch?
6.In CAD, what is a 'feature'?
7.What does 'parametric modeling' mean in CAD?
8.Which operation creates a 3D solid by sweeping a 2D profile along a straight path perpendicular to the sketch plane?
9.What is the 'feature tree' or 'model tree' in CAD software?
10.Which constraint would you use to ensure that a circle's center point lies exactly on a line?