How to Use SVG Files for Acrylic Laser Engraving
Acrylic laser engraving creates crystal-clear frosted designs. Learn SVG design requirements, laser settings, and which acrylic type gives the best engraving results.
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Acrylic Types for Laser Engraving
Cast acrylic engraves better than extruded acrylic. The type of acrylic dramatically affects engraving quality and appearance.
- Cast acrylic: excellent engrave quality, frosted white appearance
- Extruded acrylic: lesser quality engrave, may look grainy
- Clear acrylic: frosted white when engraved — popular for awards, signage
- Colored acrylic: color lightens in engraved areas — beautiful layered effect
- Mirrored acrylic: engrave from the back for a mirror-depth effect
SVG Design for Acrylic Laser Engraving
SVG design for acrylic engraving differs from cutting. Design in two modes: raster engrave (filled areas) and vector score/cut (outlines).
- Filled design areas: will be engraved (frosted)
- Stroke paths (no fill): used for cutting the acrylic shape
- Glowforge: SVG fill = engrave, SVG stroke = cut or score
- LightBurn: import SVG, assign operations (engrave, cut, score) to each layer
- Power/speed: test on scrap acrylic first — each laser is different
Frequently Asked Questions
What acrylic thickness works best for laser engraving signs?
3mm (1/8 inch) for most decorative signs and ornaments. 6mm (1/4 inch) for structural pieces like award trophies and items that need rigidity.
Can I engrave an SVG with text on acrylic?
Yes — convert text to paths in Inkscape before uploading to the laser. This prevents font substitution. For Glowforge, SVG with filled text engraves cleanly.
How do I make an LED edge-lit acrylic sign?
Design an SVG with the text/art to engrave. The engraving becomes the lit portion when light enters through the edge of clear acrylic. Cut the sign shape, engrave the design, and mount on an LED base.
Can I use imagetosvg.com output for acrylic laser engraving?
Yes — download the SVG and import to Glowforge or LightBurn. Set filled paths to engrave and strokes to cut. The VTracer output creates clean paths that engrave well on acrylic.
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