Hello, thank you for choosing our model. This model was completed in 3dsmax2014 and exported in various model formats. If you use max files, you can use the Vray renderer to directly render and use it. If you have any questions or need to consult about the model, please contact us in a timely manner for resolution. We are a professional team that designs and produces a non powered amusement park. We hope that our model can be helpful for your project. At the same time, we welcome you to come and consult, communicate, and cooperate!