![]() But like I said before, I haven't found a good way to do this with free or low-cost software. ![]() Some CAD software such as Solidworks will import a dense mesh model (with limited editability) that you can use as reference to build your new CAD surfaces from. Solidworks has a plugin for converting mesh and point cloud models to CAD models but the cost is too high for what I need. I have had some success converting Photoscan models into Solidworks (standard), but only when reducing the number of points in the model so the software does not crash. Its a lot easier to go from CAD-to-Mesh than from Mesh-to-CAD. The trouble with converting from mesh to solid models is the formats are fundamentally different, mesh models are mostly a list of points, whereas solid models are mostly curves based on equations and manifold geometries. These little stand alone programs are neat but don't have high expectations, they are very resource intensive and don't work very well. I have searched online extensively for a free or low-cost solution for converting 3d mesh to 3d CAD and the only tools I have found are OBJ Mesh to Solid 1.0 (the Shareware free version by RESURF) and Point Cloud to Nurbs (also by RESURF). The scanned model had a wall thickness ranging from 2.075 mm at the top to 7.758 mm towards the base of the socket, compared to a consistent thickness of 2. There are some work-around techniques but if you want a clean CAD model with no budget you are better off taking good measurements and modeling your boat from scratch. Most software capable of directly converting a 3d mesh or point cloud to a solid cost thousands of dollars.
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