Identify a problem or unmet need
Observe how people currently handle it
List frustrations, gaps, and inefficiencies
Brainstorm many possible solutions
Combine or modify existing ideas
Sketch or write down the best concepts
Build a simple prototype
Test it with real users
Collect feedback
Improve the design
Repeat testing and refinement
Check feasibility, cost, and materials
Research patents and prior art
Protect the idea if needed
Develop a working version
Validate demand in the market
Plan manufacturing or implementation
Launch and monitor results