when will I expect getting sales?

Uploading models doesn't guarantee sales. Give it some time, your first model was only uploaded on Feb 16. Also realize that this website has thousand upon thousands of furniture objects for customers to choose from.

I waited for my first sale for 3-4 months. So be patient.

Be patient, I made my first sale when my product count was around 30. I still make very few sales, but I am constantly creating and uploading products. There are so many models, it takes time for people to see them.

I haven't made my first sale yet.☹️