| Version | Best for | Key feature | |--------|----------|-------------| | | New users, commercial, hobbyist | Free perpetual license, modern UI, cloud add-ons | | DesignSpark Mechanical 5.0 (Legacy) | Those with old plugins or workflows | No longer updated, may have security issues |

DesignSpark Mechanical is a free, powerful 3D modeling tool based on the direct modeling engine from SpaceClaim. It is ideal for engineers, makers, and product designers who need a quick, intuitive CAD solution without the complexity of parametric history.