Students and educators at qualified institutions can gain to PowerShape. This access is renewable annually as long as you remain eligible. Fusion with PowerShape Free Trial - Autodesk
Here is the current state of play.
Overall, PowerShape Free is a great option for those looking to explore 3D modeling and design without committing to a paid software. While it has limitations, it still offers a robust set of features and tools to help users create and manipulate 3D models.
Autodesk offers a fully functional, of the latest PowerShape Ultimate version.
Autodesk Inc. has deliberately moved away from the "buy a perpetual license" model toward subscription SaaS (Software as a Service). Consequently, they have little interest in offering a permanent free version of PowerShape.