If you're purely interested in functional/architectural stuff, you could do worse than places like grabcad.

Barring being free across the board, you'll find most genuinely free stl sites cater to the fdm crowd, as there's more of them in the world.

Digital designs for physical objects.

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Free christmas tree (good condition) $0.

Download your favorite stl files and make them with your 3d printer.

Louis on facebook marketplace.

Pool filter cartridge, type v.

The hill puppy pads.

Find stuff for free in st.

Craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events.

Affton free oak firewood already cut up.

Discover free 3d models for 3d printing related to miniatures.

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Craigslist for sale free stuff in st louis, mo.

Free furniture, electronics, and more available for local pickup.

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Download files and build them with your 3d printer, laser cutter, or cnc.

City of stl brown reclining chair.

What are some good places to follow on reddit, instagram, or anywhere else really to view and look at 3d prints with links to a free stl?

You can find kb3d stls at kemono party (kemono. su) for free.