Need help to "solidify" an enclosed area

[asterann224]

Hi everyone im not a professional in using autocad and I need a little bit of help for my project. As for the time being I am modelling a shoe sole, which is comprised of splines and trimmed circles. I have extruded the enclosed sole 5mm up, which means its sort of like an enclosed area with height https://routerlogin.uno/  https://192168ll.link/ . I would like to convert it to solid as I need to import it to ANSYS. May I know how to do so?

[paullimapa]

What are the requirements to import into ANSYS?

[Kent1Cooper]

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Would the STLOUT command produce what you need?