In reply to Tony Zeoli.
So, once you set up this pattern, you can save it and re-use it, correct?
You could definitely do that. Right now, it would require registration via the register_block_pattern() function or visually through a third-party plugin. There are a few suggestions in this Twitter thread:

Yes you're right! So plugins we know of that offer a UI to manage Block Patterns:
• https://t.co/v89la7pucd (from @audrasjb)
• https://t.co/3xCPUIXV9T (from @justintadlock! now I remember)
• https://t.co/CgVezU2Y5K

Anyone else know of any others?
— Aurooba Ahmed (@aurooba) March 11, 2022