Describe the type
A short description is enough. You do not need to design it yourself.
A simple alternative
Henry can look for a suitable existing print.
Tell Henry the kind of thing you want—a fidget, desk toy, small gift, keychain, or decoration. He can look for a practical option and show it to you before any price or printing is agreed.
See an option
Henry can suggest an existing printable item that may suit what you want.
Decide first
You can see the suggestion, availability, and price before agreeing.