Modeling Floral design

[fphelps]

Hello all, I am trying to get into some woodworking with a CNC router. I wanted to know if anyone had seen a video or had a video/tutorials on modeling intricate flowers or any sort of floral design? Any sort of help would be greatly appreciated. Thanks in advance.

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[TomD.inPDX]

I would think that 3D scanning would be much easier, more realistic, and more detailed than any parametric CAD modeling. Manipulating the scanned point cloud is also something Creo is not very good at (read: facet files are not editable in Creo).

However, I did have some luck in taking facet files into FreeCAD and created surface feature from them that can be exported as STEP or IGES files. These are sufficient to get Creo to recognize them. However, they are then 1,000's of little triangle surfaces rather than nice smooth spline shapes.

I am not sure how you would get nice smooth surfaces from a scanned point cloud. Maybe someone has some tips I haven't found yet. I'm all ears on this front.

[TomU]

I am not sure how you would get nice smooth surfaces from a scanned point cloud.

We have parts scanned occasionally (ATOS - "Blue Light"). In the past we've evaluated Rapidform and Geomagic, but they are both very expensive (~ $30K). PTC has a reverse engineering module, but it too is quite expensive and, according to multiple VARs, pretty tough to use. For this one function we settled on Solidworks. Their top of the line package (~ $10K) includes the ability to create best fit surfaces through point cloud data. For the little bit we do it, this works out just fine. Having one seat around also makes working with customer/vendor data much simpler when they provide native Solidworks data.