... both 3d and 2d4.we produce the laser engraving machine fro crystal5.this heart shape blank crystal cube especial for engraving ... stripe, with quality control, with size tolerance. Finished by the skilled workers, polish is shining, edge is straightSize120x105x25 bigger ... crystalLogo/image blank, with 3d inner laser inside of the crystal or image surface engraved is possibleDesignheart shape with flat ...