Hello,
my name is Liliana, i have over 15 years of experience as a vector technical illustrator with excellent rating and references that you can check on my profile pages https://www.freelancer.com/u/webpolis.html
there you can alse see some of the illustrations i made, in order to evaluate my work.
I can send you more samples of curtains illustrations if you want to.
I use Adobe Illustrator for this kind of projects, i can deliver you the illustrations as vector editable format, and also saved as any other digital format you may need, like JPG or transparent PNG, for example.
I found this project really enjoyable and interesting, and i would like to create originals, clear and professional illustrations for your product.
Hope we can work together, please, contact me if you want to talk about the project, or if you want to see some more of my work.
Best,
Lili.