3D College — 3D Printing Guides, Tips & Industry News
Print-in-Place Design: Creating Moving Parts Without Assembly
Print-in-place mechanisms come off the bed fully functional. Learn the design rules, tolerances, and tricks that make them work reliably.
3D Printing Masters for Silicone and Resin Casting: A Complete...
Combine 3D printing with traditional casting to produce parts in materials your printer can't handle. Step-by-step from master preparation to demolding.
Metal-Filled Filaments: How to Print, Polish, and Achieve Real Metal...
Metal-filled PLA can produce prints that look and feel like real bronze, copper, or steel. Here's the complete workflow from nozzle selection to final polish.
AI Tools for 3D Printing: From Text-to-3D to AI-Assisted Slicing...
A hands-on look at the AI tools actually making 3D printing faster and smarter in 2026 — from Meshy and Tripo for text-to-3D generation to AI slicing features in Bambu Studio and OrcaSlicer.
Recycled and Sustainable 3D Printing Filament: Promises, Problems, and What...
An honest assessment of recycled PLA, PETG from bottles, and bio-based filaments — what's real, what's greenwashing, and what's actually printable.
3D Printing in Education: How Schools and Makerspaces Are Using...
A look at how 3D printing is actually being used in classrooms — from STEM curriculum integration to practical challenges of maintaining printers in schools.