Make my STL file a neat and accurate STP file

I have a STL file which I've been using for 3D printing a shell of a small model car. It's just the top and sides of the car, as I put this shell onto a separate chassis and wheels. Its a good STL file without mesh errors. Most of the surfaces are curved.

The STL file is about 13 MB, and I could easily reduce the number of triangles to make it a smaller file, but it 3D prints well like it is. The shell is about 70 x 35 x 15 mm, and the triangles are around 0.1 mm each side.

But now I want to get the shell CNC machined, i need to convert it to a STP file. I've converted it with a cheap CAD program, but my STP file is over 400 MB due to the number of triangles.

I'm looking for someone who can convert my STL to a smaller STP file, while keeping the shape and size accurate. I have about 0.125 mm standard tolerance on the overall dimensions, so accuracy is important. I would like the file to be emailable, so less than 20 MB.

I just don't have the right tools to be able to swap the triangular meshed surface for the equivalent curves of a STP file. Please help me with this! Thankyou :-)

Skills: 3D Modelling, 3D Rendering, CAD/CAM, Solidworks

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About the Employer:
( 1 review ) Southbank, Australia

Project ID: #17799386

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Hi mate, This is something pretty straightforward that can be done in Solidworks (although it's always model dependent) - I often have to do this in reverse taking our models from Solid objects to surfaces as our pr More

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Hello, I am a 3d artist and software developer who has experience about 16 years. STL files and stp files are very different system to keep 3d data. If you use even cheap or expensive cad software, it will not be go More

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I am a mechanical designer. I have many experience in converting STL to STEP for CNC machining. I can complete your projects with a high quality and within a short time.

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