Reference Cinema 4D Cinema 4D Prime Create Menu Spline
Function available in CINEMA 4D Prime, Visualize, Broadcast, Studio & BodyPaint 3D

Vectorizer

Basic Coord. Object

Vectorizer

Vectorizer allows you to create spline outlines from 2D pictures. To turn the outline into a 3D object, make the Vectorizer object a child of an Extrude object.