How to Convert a 2D Model to 3D Using AutoCAD. Use AutoCAD's "Extrude" and "Revolve" commands to turn 2-D designs into 3-D models.

Basically, an STP file is used to store 3D models and to transfer 3D data between CAM and CAD software. STP file is stored in text-based ASCII format in STEP Application Protocols ISO 10303-2xx rules.

PrusaSlicer has a new feature: the ability to import a CAD model for 3D printing. Starting in version 2.5.0-beta1, PrusaSlicer can import STEP format 3D models. An imported STEP file is converted t… ...