A device used to adjust plaster models. It is specially designed for employment in the field of dental prosthesis. Its powerful 1 hp 3400 rpm engine provides excellent performance while cutting out plaster models, even those with high hardness. Its small dimensions make it easy to install on the workbench, while its good ergonomics and suction cups provide stability and safety in use. The wide opening and table with adjustable 90 and 98 ° plane that adapts to various types of models. It has registration with regulation of the flow of water used for cleaning the abrasive disc. The water inlet valve is automatically activated when the trimmer is turned on via its switch. For user safety, the Bio-Art Plaster Cutter has a safety switch that prevents its operation with its lid open.