In the world of 3D printing, enthusiasts and professionals are continually seeking innovative solutions for sustainability, particularly regarding what to do with old filament spools. These spools, which once held the promise of countless creations, often end up as bulky reminders of projects past, cluttering workshops and studios. However, the principles of recycle, upcycle, reuse, and repurpose can transform these seemingly obsolete items into useful organization tips, entertainment and home decorations.

In this article we will explore many different ways you can give old 3D printer spools a new purpose. We’ll focus on which STL files and 3D models can make your next project eco-friendly and help reduce mess in your workspace. So, instead of throwing away those empty spools, let’s upcycle them into something both useful and creative!