Upgrade your 3D printing and engineering projects with this Premium Spur Gear Mega Pack! This pack includes 15 precision-engineered, high-quality spur gears designed with a standard 1.5 Module. Perfect for robotics, RC cars, DIY mechanical projects, and educational purposes. Each gear features a centered 5mm bore, optimized for standard shafts, and is ready for flawless 3D printing or CAD assembly.WHAT'S INCLUDED IN THIS PACK:Total of 15 unique gear sizes based on teeth count:- 10T, 12T, 15T, 18T, 20T, 22T, 25T, 28T, 30T, 35T, 40T, 45T, 50T, 55T, and 60T.FILE FORMATS PROVIDED:- STEP (.step) - High-fidelity individual files for Engineers & CAD modelers (SolidWorks, Fusion 360, Onshape).- STL (.stl) - Individual 3D printable files, clean and high-resolution for smooth printing. FEATURES:- Module: 1.5- Bore Diameter: 5mm (Universal fit)- 100% 3D Printable (Tested and optimized)- Clean geometry, fully parametric design.Download the ultimate gear collection today and bring your mechanical visions to life!