Translations:B-Splines/78/en
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At the moment (FreeCAD 0.20) there are some limitations when using splines you should know:
- You cannot set tangential constraints.
In this example

you want to assure that the spline touches the blue curve 2 times tangentially. This would be useful because the blue line could for example be the spatial border for your design. - You cannot create an offset curve for a B-spline using the tool Draft Offset.