Contact BlockPoster.ai about your block poster

Share feedback on the studio, report a printing problem or ask about an order. Please include the paper size, finished dimensions and what happened. Do not send passwords, payment card details or private login links.

Who handles your block poster feedback?

STARTIME TECHNOLOGY CO., LIMITED operates this website.

For billing questions, include the order reference and account email, not card numbers. Local project files are only stored in your browser; we cannot restore a file after you erase local site data.

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By BlockPoster.ai team · Updated October 12, 2026