SolidWorks is a 3D computer-aided design (CAD) software that is widely used by engineers, designers, and architects to create, simulate, and analyze various product designs. It's developed by Dassault Systèmes. The software is popular for its user-friendly interface and powerful features, including 3D modeling, assembly, and drafting capabilities.

If your budget is truly zero, you don't need a crack. You need one of these world-class, free, and legal alternatives. For most hobbyist and even professional modeling (3D printing, product design), these are superior to an outdated, cracked SolidWorks 2021.

Instead of risking a "crack," there are several official ways to get the software: Student Edition: If you are a student, you can often get a low-cost or free SOLIDWORKS Education Edition through your school or university. Trial & Preview Programs: Dassault Systèmes offers a SOLIDWORKS Preview