Alibre Design

Alibre Design is a parametric, feature-based solid modeller — sketches, extrudes, fillets, assemblies with mates — built for the same workflow this archive's exercises are drawn to train, aimed squarely at individuals and small shops rather than enterprise design departments. It has shipped as a perpetual licence since long before "no subscription" became a selling point elsewhere, with an optional annual support and update plan rather than a mandatory one.

Three tiers cover different depths: Atom3D is entry-level solid modelling for hobbyists, Design Pro adds sheet metal and more advanced assembly tools, and Design Expert is the full package with simulation and advanced surfacing for small manufacturing shops. All three run on Windows only, and a 30-day trial is available before buying any of them.

Choose Alibre Design if you want the discipline of a real feature-tree, dimension-driven CAD package — the kind every exercise on this archive is drawn to reward — without a recurring bill, and you do not need the specific brand recognition that comes with learning SolidWorks itself.

Against FreeCAD, the free alternative on this list, Alibre trades a purchase price for a more consistent, vendor-supported workflow. Against SOLIDWORKS for Makers, the maths flips over time: Makers costs less in the first year, but Atom3D pays for itself against a few years of that subscription and then keeps costing nothing — the choice comes down to whether having "SolidWorks" specifically on a résumé is worth paying for every year.