How can I make a Bézier curve have sharp and curved points? Like a zig-zag. And also being able to make more 'circular' parts too.
(I want to make fig 2, but I can only get to 1 by creating curves added with the E button.)

How can I make a Bézier curve have sharp and curved points? Like a zig-zag. And also being able to make more 'circular' parts too.
(I want to make fig 2, but I can only get to 1 by creating curves added with the E button.)

Being in Edit Mode you can select the desired curve point, press V and change the Handle Type to Vector


To have even more control you can set the Handle Type to Free

You can do this by going into edit mode, selecting a vertex and pressing S 0. This will make the vertex scaled to one single point, and it will cease to have an effect on the curvature of those segments.
Like this:
Before:

After:

The vertices are still selectable, moveable, etc.
You can change the Handle type of the selected control vertices to Vector by pressing V > Vector:

This will make the segments between those vertices into straight lines.