Dans cette vidéo Freecad, nous passons en revue les façons de créer des fichiers Stl, mais aussi comment convertir un fichiers Stl en solide modifiable.
Initiation au logiciel FreeCad en français!
Idéal pour les personnes voulant apprendre la Conception de pièce Assisté par Ordinateur (CAO).
Permet de créer des modèles 3D exportable pour l’impression 3D.
Vous pouvez télécharger gratuitement FreeCad ici: http://www.freecadweb.org/?lang=fr_FR
How to convert STL to STEP using FreeCAD
Note: Since STLs are meshes, the resulting model won’t be as precise as parts originally made as solids.
FreeCAD can export: Step , Iges , Scad , Dxf , Dwg , Obj , Pdf , And many others…
Step 1: Install FreeCAD
To start off, make sure you have FreeCAD downloaded and installed
Step 2: Import STL
Open your STL part in FreeCAD
Go to « Part » workbench
Step 3: Convert from Mesh to Shape
Now, select the imported STL part in main view or the model tree.
Go to Part / Create shape from mesh…
Set your mesh sewing tolerance in the pop up window
FreeCAD will now create a new shape in the model tree
- There will be no analyzing or validating of the mesh object.
- Analyzing and repairing of the mesh (if needed) should be done manually before conversion.
- Appropriate tools are available in the Mesh Workbench.
If you’re looking for a fast solution to get a Step exported now would be the time to export it. However, if you want a less triangulated solid or Boolean operations performed, then follow these next steps…
Step 4: Simplify Shape
So you now have a shape to work with but as you can see there’s still allot of triangulated faces
To simplify this part, now select the shape and go to Part / Refine shape
Yet another part will be added to your model tree, now simpler!
Step 5: Convert Shape to Solid
Now, to convert the shape to a solid that Boolean operations can be performed on…
Select your now simplified part and go again to the Part menu, this time selecting « Convert to solid »
And one more time a new solid will show up in your model tree
Quick Tip: Selecting a part in the model tree and pressing space will hide that selected part. This makes it easier to see the newly made shape. Hidden parts will now appear greyed out as seen in the above picture.
Step 6: Export
Select the model you want to export, in this case the fourth part in the model tree
File / Export
And you’re done! You now have a Step file from a STL file!
Step 7: Resources
STL to solid conversion:
Working with meshes in FreeCAD:
Prusa LCD stand:
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