Hello smukherjee70!
I am a professional freelancer Mechanical Engineer MEng PhD. I can offer you my 10+years experience in designing-3D modelling with Solidworks and AutoCAD, with more than 150 completed projects. I have taught Solidworks to BEng Mechanical Engineering courses the last 5 years.
I also have proficient command of English, both written and verbal, if this is of any concern.
I have also big experience with STL files managing and correcting geometry for 3D printing applications, with Geomagic and Magics software.
Furthermore, I have a powerful workstation to make the job fast, If you send me the files you will have the result professionally designed and without any defects within a few hours.
Best regards
Antonis