What is the Photo check?
After you upload, a short check under the photo looks at its size, light, contrast and focus, and tells you in plain words if something will hurt the crystal, such as a small or dark photo.
Help
How the burn works
FAQ
Can I show a customer the crystal before I burn it?
Yes. After Generate, the lit preview shows the crystal on an LED base. Pick the base colour, then Save picture or Save 6-second spin video and send it to your customer for approval.
What is the Burn log?
A notebook for your finished crystals: how each came out and the laser settings you used, so you can repeat your best ones. It is saved on this device only.
How do I get the best crystal?
Use a sharp, well-lit photo where the face or subject is clear. Then choose Remove the background for me. A plain background, eyes in focus and good light make the biggest difference. Old or blurry photos work too; the AI photo-prep prompt can help first.
What does Remove the background for me do?
It cuts out the people, pets or objects and clears everything behind them, so only your subject is engraved. If it cannot run, the built-in cutout is used instead and you can go on. My photo already has a clean background is for photos you prepared yourself.
How deep is the picture inside the crystal?
Each photo gets its own depth, with at least 8 mm of clear glass on every side: about 26 mm for scenes, 22 mm for full figures, 20 mm for pets, 18 mm for objects, 16 mm for groups, 14 mm for portraits and 9 mm for text and logos. People and pets stand straight in the glass. In Premium you can change the type and the depth (8 to 30 mm).
Can I add a name or a date?
Yes. Type up to two lines under Text on the crystal. The photo moves up and shrinks evenly to make room, and the preview shows it straight away. Text works on blocks, cubes and plaques.
Which file do I use for my laser?
xTool F2 Ultra UV: the PLY. In xTool Studio import it and choose Keep size. EzCad and Han’s Laser: DXF Z. Perfect Laser: DXF Y. Other machines: XYZ or GLB. Never scale the file after import, because scaling changes the dot spacing.
Can I use photos from my iPhone?
Yes, including iPhone HEIC photos. They are turned into JPEG in your browser when you upload them.
What are Lite, Standard and Premium?
The number of dots: about 600,000, 1,500,000 and 2,200,000. More dots look denser and smoother but take longer to burn. The file always has the number shown on the card.
Why doesn’t the preview match the burn exactly?
The previews simulate dots in glass. Power, dot duration, crystal batch and focus change the real result. Run a test burn before an expensive blank.
How do I read the recipe card?
It lists power, dot duration, layer height, frequency and passes, plus the blank size and the axes. Those numbers are a starting point for the xTool F2 Ultra UV, not a guarantee.
How do I use a 3D model (STL or GLB)?
Switch to Premium and use Upload 3D model next to the photo. Textures are ignored. The model becomes a full figure you can turn around inside the crystal.
Glossary
Point cloud. The dots the laser burns inside the crystal.
Relief. A surface with height, like a coin, not a fully enclosed statue.
Heightmap. The grid of heights the sculpt brush edits on a photo relief.
Old photographs
Use the highest resolution you have. Avoid over-smoothed AI-repaired photos. Eyes and facial detail still need to be visible or the dots have nothing to follow.
Do not scale the file
Never scale the point cloud inside xTool Studio after import. Generate it at the exact crystal size and leave it alone.