Hello Project Owner,
Can you please check my designs & provide me your valuable feedback.
Thanks

Working on it.

Hi, Project Owner.
I'm interested in your project. I hope you won't close it before the original deadline you set at the beginning. I will submit my design within the next 2x24 hours. I hope you'll be willing to wait for it.

Thank you.
Best regards.

Dear Project Holder
Pls provide your valuable feedback for my designs.
As you can understand no project can be successful without timely feedback & continuous interaction, thus we request you to provide your feedback.
Waiting for your feedback
Thank you

Hi, Project Owner.
I have submitted several of my designs for your project. I hope to receive some valuable feedback from you.

Thank you.
Best regards.