3D Printing Technology
News, guides and real applications of 3D printing for rapid prototyping, daily life and industrial production: FDM, SLA, SLS, MJF and metal SLM explained in plain language by the CT3D team.
Post-Processing 3D Prints: Support Removal, Sanding, Painting and Finishing for FDM, SLA, MJF, SLM
How to post-process 3D prints by technology (FDM, SLA, MJF, SLM): support removal, resin washing, sanding, filler, PU paint, acetone smoothing, bead blasting and plating.
3D Printing for Interiors and Architecture in 2026: A “Curtain” Aluminum Gate in Gent and Vases from Portrait Photos
A 250 kg aluminum gate printed by a welding robot for a Belgian design museum, and a personalized vase that goes from phone photo to…
How to Fix Broken STL Files Before 3D Printing: 7 Common Errors and Fixes
How to fix broken STL files before 3D printing: non-manifold edges, holes, flipped normals, thin walls, wrong units. Guide for Meshmixer, Blender, 3D Builder, PrusaSlicer.
3D Printing in Defense 2026: Combat-Tested Robot Wheels and 12.4 Million USD to Validate Printed Alloys
3D printed wheels for ground robots at a fifth of the cost of imports, a 12.4 million USD US program to prove printed alloys can…
3D Printing in Electronics: Foldable Phone Hinges, Speakers with User-Printed Knobs and a Vietnamese Spectral Instrument
From a Guangdong "super factory" printing foldable phone hinges, to Nothing speakers with user-printable knobs, to a Vietnamese engineer 3D printing a crop health spectral…
3D Printed Molds: Sand Molds, Silicone Casting Molds, Injection Mold Inserts and Vacuum Forming Molds
When to use 3D printed molds: sand molds for metal casting, molds for silicone, concrete and wax, low-volume injection inserts and vacuum forming molds, compared…
3D Printing in the Auto Industry 2026: From Prototypes to Full-Size Parts and Opportunities for Vietnamese Suppliers
Hyundai prints a whole door panel in one go, and a New York 3D printing studio wins tier 1 supplier orders. An applications engineer looks…
Qualifying 3D Printed Parts for Aerospace, Rockets and Drones: The Bottleneck from Prototype to Production
Printing flight parts is no longer hard; proving they are reliable is the real gate. ESA, America Makes and X-Bow show how qualification is being…
3D-Printed Fashion in 2026: Slides Sold as Files, Titanium Eyewear and Lessons for Vietnam’s Footwear Industry
Scan your feet with a phone to get 3D-printable slide files, AR glasses with metal-printed titanium temples, a 16 kg 3D-printed dress. A 3D printing…
Metal 3D Printing Enters Mass Production: Aerospace, Energy and Lessons for Vietnam
Metal 3D printer revenue grew 51%, China is investing 500 million USD in an aerospace 3D printing hub, and PetroVietnam wants a "digital warehouse". An…
3D-Printed Houses in 2026: ICON Raises 200 Million USD, Three Printers Build Shopping Center Walls
ICON brings its Titan house printer to market, AMTG runs three printers at once for a shopping center, and 3D-printed earth bricks regulate heat. A…
Biomedical 3D Printing in 2026: From “Made in Vietnam” Artificial Blood Vessels to Nitinol Stents and Dental Resins
Vietnamese scientists master their own bioprinting system, while the world already has 3D-printed nitinol stents and CE-certified dental resins. An application engineer on where medical…