⭐️Hi, there⭐
i just checked your project " stone archway stl ", and can confirm good result you want.
I am interested in your project and I've already done a similar kind of work.
I have rich experiences related with Solidworks/Fushon360/. For a long time i built 3d model for 3d printing
If you give me a chance to work with you, then I will do my best to reach your requirements.
https://www.freelancer.com/u/KirillRomadanov1
I will do my best for you.
Best Regards~
Kirill, thanks.