Update integrated bottom design, More Application: This laser engraving machine completely seals the bottom, preventing smoke from escaping and effectively collecting dust and debris during the laser engraving process. Large space of 28.3*28.3*15.7 inch( 720x720x400mm). Compatible with most engraving machines on the market. Such as xtool d1, d1 pro, ortur, sculpfun, atomstack laser engravers.