Tiếng Việt
3D Vietnams is known as a leader in 3D technology. We supply 3D scanners, 3D printers, design software and affordable CNC programming software. 3D Vietnams is also a leader in contract 3D scanning, rapid prototyping with 3D printing, mold design, and design and parting of difficult molds.
Contract 3D scanning (3D scanning service) from 3D Vietnams is highly rated for quality and for keeping both part and customer information confidential.
When you use contract 3D scanning at 3D Vietnams, your business can be fully confident in the designs and the quality we deliver.
Contract 3D scanning of mechanical parts
Contract 3D scanning of wood parts – wood 3D scanning service
We also supply other 3D scanners:- Atos Core 3D scanner – GOM (for 3D inspection, molds and ultra-precise 3D scanning).
- Thor3D handheld 3D scanner (for scanning the human body, large and very large objects, and full-color 3D scanning).
- EinScan Pro handheld 3D scanner (a popular affordable 3D scanner for wood, also used for molds and mechanical parts)
- Eascan D 3D scanner (for molds and mechanical parts – built for industry)
- Optimscan 3M, 5M 3D scanners (built for industry)
- And other 3D scanners.
CONTACT US NOW
| CONTACT | 3D Vietnams Company – 3D Vietnam |
| Phone | 0975 008 728 |
| Mobile | 0975 008 728 |
| contact@ct3dgroup.com | |
| Address | 7749 Vo Van Ngan, Ho Chi Minh City. |
3D scanning a Lexus SUV with the Thor3D handheld 3D scanner
3D scanning – contract 3D scanning – 3D inspection
Reverse engineering services and reverse engineering training
| CONTACT | 3D Vietnams Company – 3D Vietnam |
| Phone | 0975 008 728 |
| Mobile | 0975 008 728 |
| contact@ct3dgroup.com | |
| Address | 7749 Vo Van Ngan, Ho Chi Minh City. |
Contact CT3D Group
CT3D Group – Professional 3D printing, 3D scanning, design and rapid prototyping services nationwide.
- CT3D Thu Duc – Ho Chi Minh City, Hanoi, Hai Phong: in3d.edu.vn – Hotline 0975 008 728 (Mr. Thai)
- CT3D District 6 – Ho Chi Minh City: 3dmaker.vn – Hotline 038 7798308 (Mr. Phuc)
How does reverse engineering from 3D scan data work?
Reverse engineering means going from an existing product back to an editable CAD file. 3D scan data is just a triangle mesh that describes the surface. It has no idea of “what diameter is this hole” or “which face is perpendicular to which”. Dedicated reverse engineering software such as Geomagic Design X helps engineers extract geometric features from the mesh and rebuild a proper solid model. The workflow usually includes:
- Mesh processing: remove noise, fill holes and optimize the triangle count.
- Coordinate alignment: position the model using datum faces and symmetry axes to make modeling and inspection easier.
- Surface segmentation: the software automatically detects planar, cylindrical, spherical and freeform regions.
- Modeling: sketch from cross-sections and use extrude, revolve and sweep to build solids. Complex curved areas are covered with NURBS surfaces.
- Deviation check: compare the new CAD model with the scan data using a color map to make sure it is within tolerance.
- Export: STEP, IGES, Parasolid, or transfer directly to SolidWorks, NX or Creo for further design.
Two approaches: as-built copy and design intent
| Approach | Characteristics | Best for |
|---|---|---|
| As-built copy | Follows every deviation and deformation of the real part | Archiving, art models, deformation checks |
| Design intent | Rounds dimensions and restores flatness, perpendicularity and concentricity as in the original design | Remaking mechanical parts, molds, mass production |
Agree on the approach from the start, because it has a big effect on time and results. For worn mechanical parts, restoring design intent combined with knowledge of the fits usually gives a result that lasts. See CT3D’s reverse engineering service or call Hotline/Zalo 0975 008 728.
Frequently asked questions
Can I open a scanner STL file in SolidWorks and edit it?
You can open it, but editing is very hard because STL is a triangle mesh, not a parametric solid. To change dimensions or add and remove features, you need to rebuild it through reverse engineering. Some tools convert meshes to surfaces automatically, but the result usually has no design history to edit.
How long does it take to reverse engineer a part?
Simple parts like flanges or brackets can be done in a few hours. Parts with many freeform surfaces, such as plastic housings, fan blades or complex castings, can take several days. Time depends on complexity, tolerance requirements and the approach. Good scan data from the start cuts modeling time a lot.
What should I know before learning reverse engineering?
You should know 3D CAD such as SolidWorks or similar software and be able to read mechanical drawings. Knowledge of fits, tolerances and machining helps you build models that match real production. Basic 3D scanning skills are a plus, because input data quality directly affects the result.
Can reverse engineering match the accuracy of the original drawing?
It can come very close if the scan data is accurate and the engineer understands the function of the part well enough to restore the nominal dimensions. For critical fit dimensions, add measurements with mechanical gauges or a CMM. Check the final result with a deviation map before it goes into production.
Related services at CT3D Group
- Reverse engineering service
- High-accuracy 3D scanning service
- Custom 3D design service
- CT3D Group network: ct3dgroup.com · in3d.edu.vn – Hotline/Zalo 0975 008 728
