![]() ![]() iges file which does not mesh in ElmerGUI (7. iges file (16.89 KiB) Downloaded 464 times Cyl.iges Simple cylinder. ![]() ![]() How can one create/import a multi-body file for Elmer?ĬubeCyl.brep (4.05 KiB) Downloaded 492 times Error messages generated when ElmerGUI tries to import the attached. Second, if I have a CAD file from FreeCAD in BREP format with multiple bodies, like the CubeCyl.brep file attached, it confuses ElmerGUI and netgen and the program exits. A mesh that resembles your 3D model will appear on the screen, giving you the chance to check for errors before continuing. Go to File > Import and choose the STL file you created in the previous step. But it's odd because you'd think FreeCAD uses OpenCASCADE to export, and ElmerGUI uses it to import, so they should work well together. Next, it’s time to import your new STL file into FreeCAD, which is one of the best CAD programs. BREP works reliably, so there's a good workaround. step format sometimes works (did in this case), but sometimes crashes ElmerGUI I'll see if I can make a test case which crashes ElmerGUI to demonstrate this. iges.txt file is the error which results. If I make a single cylinder in FreeCAD, export the attached iges file, and import it in ElmerGUI, the attached. But I have two problems.įirst, I can't get an exported IGES file to mesh. Their use is for rapid prototyping and FEM analysis.FreeCAD and Elmer would seem to be a match made in heaven: an open source feature-rich CAD program, with an open source feature-rich FEA program. As a rule, mesh formats are unsuited for CAD. This tutorial covers how to convert an STL to a STEP using FreeCAD. To quote Wikipedia, polygonal modeling is an approach for modeling objects by representing or approximating their surfaces using polygons. If unsure, choose the first one.īut you need to know that STL is a mesh format, like those done with a polygonal modeller (SketchUp is a polygonal modeller). stp extension and click OK in the dialog, either select "CAD formats (PART)" or STEP 214 (Import). Select the solid object, go to File -> Export., enter a name with.View DWG files or convert them to work with older versions of AutoCAD software. ![]() You now have a solid that can be exported to STEP. Download an Autodesk viewer to view CAD, DWG, DWF, DXF files and more. While the new object is selected, select Part -> Convert to solid menu, a third object is created.A new object is created, hide the original one (click on it and hit space bar) It supports AutoCAD DWG/DXF, STEP, STP, IGES, IGS, STL, SAT (ACIS), Parasolid (xt, xb), SolidWorks (sldprt), PLT, SVG, CGM and other formats. menu, in the dialog select a tolerance for sewing, click OK. Select Part -> Create Shape from mesh. I have tried importing files created in rhino to shapr (STP and other supported format).Click on the mesh object, either on the 3D screen or in the Project tree.Switch to the Part workbench (View -> Workbench menu).Once you've installed FreeCAD, you can open your STL or OBJ file and convert it to solid, to export as STEP or IGES: It reads and writes to many open file formats such as STEP, IGES, STL, SVG, DXF, OBJ, IFC, DAE and many others, making it possible to seamlessly integrate it into your workflow. What I've learned is CNC cutting is very different paradigm from rapid prototyping, which polygons and STL format works well with.ĭownload and install free, FreeCAD (procedure taken from NormandC on the FreeCad Forum) Accessible, flexible & integrated FreeCAD is a multiplatform (Windows, Mac and Linux), highly customizable and extensible software. The truly best way would be to model on Nurbs from the start, although not so common to us in the animation biz anymore. Although I think that Sabastian's solution is the best, although I haven't heard back from the Guy with the Solidworks yet. įreeCad works to convert OBJ or STL to STEP or IGES, see below. Besides converting to the poly mesh to nurbs, I also found that. Convert CAD files made in Solidworks, AutoCAD, Fusion 360, CATIA, Solid Edge, NX, Creo, FreeCAD. I think I understand the situation pretty well now. Free Online CAD File Converter for DXF, IGES, STEP and STL. ![]()
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