Industries that take advantage of the high speed of delta robots are the packaging industry, medical and pharmaceutical industry. For its stiffness it is also used for surgery. Other applications include high precision assembly operations in a clean room for electronic components. The structure of a delta robot can also be used to create haptic controllers.[16] More recently, the technology has been adapted to 3D printers. These printers can be built for about a thousand dollars and compete well with the traditional Cartesian printers from the RepRap project.