They then constrain it, saying “this line is vertical, that line is parallel to this one”, until the sketch is fully defined. It’s a normal part of parametric modelling. This is powerful ...

“Edit Sketch,” or, “Edit Feature,” to see particular things. Before I even began making the box, I sat and thought about how I would put together the model. Since it’s parametric I knew ...

An object is moving counter-clockwise along a circle with the centre at the origin. At \(t=0\) the object is at point \(A(0,5)\) and at \(t=2\pi\) it is back to point \(A\) for the first time.