Laser Engraving with Scratch Paper

Introduction

• Experimenting with new materials for laser engraving.
• Focus on a recent discovery: scratch paper.
• Goals: Discuss the engraving process, material used, ease of creation, and cost-effectiveness.

Materials and Background

• Common materials: Ceramic tile, leather.
• Less common materials: Seashells, stones, Coran (countertops).
• Discovery: Scratch paper, targeted for children (age 3+).

Laser Engraving Process

Initial Setup

• Using black and white sheet music for the design.
• Black background paper; white notes engraved.

Settings for Engraving

• No image inversion needed for black and white designs.
• Interval/Resolution:
  • Slightly higher than the laser beam height (0.1 mm), set to 0.09 mm.
  • Ensures overlap prevents black material left un-engraved.
• Speed and Power:
  • Fast speed: 25,000 mm/min.
  • Low power needed: 30% power, suitable for white background paper.
  • Run material tests, as power can vary (15-30%).

Image Processing

• Using Jarvis dithering for binary images (black/white, no gray scale).
• Applicable for detailed engravings beyond musical notes.

Execution and Results

• Engraving process sped up for demonstration.
• Warning: Handle black surface gently to avoid premature scratching.
• Time efficiency: Approximately 10 minutes for a page.

Engraving on Different Backgrounds

Rainbow Background

• Used AI image of London Skyline with text.
• Lower power settings (12%) for rainbow background.
• Successful outcomes with reduced power settings.

Additional Experiments

• Various images tested: Line art, Model T4 diagram, retro signs.
• Photographs possible; inverted image setup required.

Tips and Tricks

• Post-engraving cleaning: Use microfiber cloth for residue.
• Finishing: Clear coat spray (gloss or flat) for protection.

Conclusion

• Short, informative presentation on using scratch paper for laser projects.
• Encouragement for viewers to subscribe, like, and engage.
• Regular live streams and affiliate links for materials used.

Additional Resources

• Links for purchasing scratch papers and other tools used.
• Invitation to join weekly live streams for further questions and engagement.