The 10 Best STL Files of 2025

Another year, another wave of STL files that are genuinely worth printing. In 2025, designers moved past the usual desk toys and figurines and leaned into designs that solve real, everyday problems. This year’s list has a bit of everything: a bird feeder that sends photos straight to your phone, a towel hook that uses gravity instead of clips, a chair that folds into itself like a piece of luggage, and yes, a massive dune buggy for anyone brave (and patient) enough to take it on. Whether you’re printing something practical or just want a project that shows off what your printer can really do, these are the STL files that stood out to us in 2025.

1. Smart Bird Feeder

This 3D-printed bird feeder blends backyard wildlife watching with smart technology, turning a simple print into a connected way to see exactly who’s stopping by for a snack. The design integrates a compact Wi-Fi camera directly into the feeder, capturing photos and video when birds land and sending them straight to your phone. It prints without supports and is intended for outdoor use with weather-resistant materials like PETG. A removable top lid simplifies refilling, while translucent parts make it easy to check seed levels at a glance. Several perch options are included, including an external version that positions birds slightly farther from the lens for clearer images. The feeder supports multiple popular camera models and can be mounted on walls, poles, or flat surfaces. The STL file is available here.

(Photo Credit: Michele via Maker World)

2. Giant Stacking-Block Dune Buggy

This oversized dune buggy is a bold 3D-printable tribute to a classic 1980s brick-built vehicle, reimagined at five times its original size. Rebuilt in CAD and released as a multi-part STL project, the model is designed for large-scale printing and hands-on assembly. Best suited for experienced makers, the build involves printing numerous components, fine-tuning part fits, and assembling the buggy post-print. Most parts are intended for PLA, while the tires can be printed in flexible TPU for a more realistic finish. Optimized for larger scales, the files are not recommended below 2.5×, with the provided versions already set to 5×. For makers who enjoy technical builds, mechanical detail, and a dose of nostalgia, this giant dune buggy offers a challenging yet highly display-worthy print. The STL files are available here.