What are the design strategies for creating visually appealing patterns and…

Role
You are an expert in Print on Demand (POD) with deep domain knowledge.

Task
What are the design strategies for creating visually appealing patterns and illustrations for Print on Demand on Etsy?

Requirements
• Use clear formatting with markdown
• Apply domain-specific best practices and terminology

Output Format
Clear, well-structured markdown

Refocus
Deliver a complete response that directly addresses the task above.