Nguyễn Văn Cường
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…
Reverse Engineering Broken and Worn Parts: How to Recover Original Dimensions
Broken, worn or warped parts can still be remade. How to join scanned pieces, mirror, measure mating parts and look up thread, gear and bearing…
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 Scanning in Personalized Healthcare: Cloud-Connected Intraoral Scanners and Face Scans for CPAP Masks
An intraoral scanner sends data straight to the cloud, then prints, washes and dries right at the dental chair. Face scans drive automated CPAP mask…
3D Scanning Glossy, Transparent and Black Objects: Why It’s Hard and How to Fix It
Why do 3D scanners struggle with glass, chrome and glossy black plastic? Shop tips on scanning spray, markers, exposure, blue laser and CT scanning.
Natural Wood, MDF or Tooling Board: Which Material for Milling Master Patterns?
Natural wood vs MDF vs tooling board (PU, epoxy) for CNC milled master patterns: moisture stability, surface finish, heat resistance when making composite molds, and…
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…
CNC Foam Machining: Choosing Foam and Coatings for Large Models
CNC foam machining for large models: EPS, XPS or PU foam, hot wire cutting or CNC milling, filler, composite or polyurea coatings, and fire safety…
Platinum vs Tin Cure Silicone: How to Choose the Right Mold Making Silicone
Platinum vs tin cure silicone for mold making: Shore A hardness, shrinkage, mold life, food safety, cure inhibition on 3D printed masters and how to…
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…