Clear acrylic 3 mm — reverse engraving
Bright frosted engraving from the back for signs and display pieces.
Curated starting pointStarting point, not a result guarantee
Context used for this setting
Context used for this setting
- Machine
- CO₂ gantry laser 40 W
- Laser technology
- CO₂ gantry
- Nominal power
- 40 W
- Material
- Clear cast acrylic
- Thickness
- 3 mm
- Goal
- Engrave
Starting values
Starting values
Do this
- Check the material label or datasheet for PMMA.
- Clean the bed and lens before the job.
Avoid this
- Never laser PVC or material with unknown chlorine content.
Check before you start
Check before you start
Process clearly identified PMMA only. PVC and chlorine-containing plastics are excluded.
- Chlorine-containing plastics can release highly toxic and corrosive gases.
Approach the result safely
Approach the result safely
Start on a comparable scrap piece. Change one parameter at a time and document the result before moving to the final workpiece.
Keep the protective film on the front and mirror artwork for processing from the back.
Sources and confidence
Sources and confidence
Curated starting point
- Confirmations
- 1
- Updated
- August 20, 2026
- Shared by
- Meykt curation
Similar settings
Similar settings
Laser engraving
Beech 3 mm — fine lettering
Dark, readable lettering with little depth. A starting point for nameplates and gift sets.
- Power
- 28 %
- Speed
- 320 mm/s
- Passes
- 1
Laser engraving