In the past, the production of auto bumper moulds was a labor-intensive and time-consuming process. However, as technology has advanced, the introduction of 3D printing into the mould-making industry has drastically altered the production landscape. 3D printing allows for the rapid creation of auto bumper moulds by building them layer by layer from a digital design. This method has allowed manufacturers to reduce the amount of material waste and shorten production cycles, making it possible to produce auto bumper moulds faster and more precisely than ever before. Additionally, 3D printing has enabled the creation of more complex designs that would have been difficult or impossible to achieve using conventional methods.