3D Design

AutoCAD is a computer-aided drafting software program used for creating blueprints for buildings, bridges and computer chips. AutoCAD is used mainly by drafters, although engineers, surveyors and architects may need to use the software from time to time.

Blender is open-source 3D computer graphics software used for creating animated films, visual effects, art, 3D printed models, interactive 3D applications and video games.

MeshLab is an advanced 3D mesh processing software system that is oriented to the management and processing of unstructured large meshes and provides a set of tools for editing, cleaning, healing, inspecting, rendering, and converting these kinds of meshes.

OpenSCAD is a free software application for creating solid 3D CAD objects. It is a script only based modeller, with a specific description language.

Website: http://www.openscad.org/