Is it good to add 3d visuals in presentation?

Do you think that including some 3d graphical visualization in the presentation would make it more interesting? I have to complete this important presentation in four weeks, and I was searching out for the ways to explain the model of the project I am working on in a better way. Someone suggested me to use the custom 3d modeling service in the presentation as it will clarify the working and process of the equipment with more clarity. I am not sure if it is a good idea or not, because it will going to charge me a lot definitely. What are your views on this? Do you think I should add some 3d visuals or let the regular images do the work? Please let me know in the comment section.