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3D blog:
note to the engineer
note to the engineer
Geomagic Design X: Reverse engineering of organic forms. 3D Scanning processing
For anyone who wants to learn the process of reverse engineering, we have prepared tutorials from the cycle “Reverse Engineering for beginners”. This guide will introduce you to the reverse engineering of organic shapes in Geomagic Design X.
For anyone who wants to learn the reverse engineering process, we have prepared tutorials from the "Reverse Engineering for Beginners" cycle. This guide will introduce you to the reverse engineering of organic shapes in Geomagic Design X.
The manual will help you answer the following questions:
You will be able to understand the following issues:
The manual will help you answer the following questions:
- How to perform reverse engineering in Geomagic Design X?
- Automatic and controlled surface creation: which method is better?
- How to get a solid body from a grid in Geomagic Design X?
- How can I import 3D scanning data into Geomagic Design X for reverse engineering tasks?
You will be able to understand the following issues:
- Automatic surface creation (Auto Surface)
- NURBS Surface Generation
- Creating a manageable surface: Extracting contour curves, Building a network of Patches, Shuffling groups of Patches, Fitting Surface Patches
- Surface Editing Tools: Crop and Merge, Reverse Normal
- Surface modeling in Geomagic Design X
Automatic surface creation. Autosurface
1. Select the AutoSurface tool
2. Before generating the NURBS surface, we can see a grid of curves that define the boundaries of its local sections.
3. The grid nodes can be moved along the surface of the scan
4. The created surface does not accurately take into account its local curvature and can smooth corners.
Guided surface creation
1. Launch PatchNetwork and extract the reference curves from the mesh
2. Adjust the areas defined by the program with varying curvature: add and remove them with a brush
3. Then we check and adjust the same curves by moving their nodes
4. Start generating a grid of auxiliary curves for the future surface
5. Shuffle Patch Groups can change the organization of these curves within the selected area in the specified way.
6. We stretch the surface onto the finished support network
7. Now we can check the deviation of this surface from the original
8. The surface obtained by the controlled method more accurately takes into account the geometric features of the mesh
9. Copy the surface with a mirror image relative to the plane of symmetry
10. The Trim And Merge option will help you trim part of the mesh with a plane of symmetry and stitch two surfaces in one operation.
11. Create a new sketch and build two lines for the cutting surfaces
12. These surfaces must have a continuous border of intersection with the main one.
13. We use Reverse Normal to “flip” a surface with an incorrect orientation of the normal.
14. Then cut off the excess parts of all the surfaces.
15. An enclosed space is transformed into a solid as a result of the operation.
Result