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

Please take a look at my submission and provide your feedback privately. Thank you.

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 again,
Please provide your feedback privately and give us an update regarding the status of this project.
Thank you.