3D College — 3D Printing Guides, Tips & Industry News

Bridging and Overhangs: How to Print Tricky Geometry Cleanly


Practical techniques for clean bridges and overhangs — cooling, speed, and design tricks that work across any FDM printer.

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PETG Printing Mastery: Settings, Tips, and Troubleshooting


PETG combines PLA's ease with ABS's strength, but it has its own quirks. Master PETG with the right temperature, cooling, retraction, and bed adhesion settings.
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How to Prevent and Fix 3D Print Warping


Warping ruins more prints than almost any other issue. Learn what causes it, how to prevent it with proper settings and hardware, and how to salvage a warped print.
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