If you do not want to purchase a CNC router, you can actually build one yourself. CNC router plans are available for you to use. Many different CNC router plans exist and finding the right one for you is essential. Do not settle on the very first one that you find unless it is exactly what you want.
Chances are you will be able to find one that can do what you want. Even if it is not exactly what you need, you can get one that is close, and then make modifications to tailor the CNC router machines especially to your specifications.
Search through several different CNC plans until you find the one that closest meets your needs. Do not settle for a router that when finished will not meet your standards or do the type of work that you need. There is no need to settle when there are many different types of CNC router plans available.
Once you find several different router plans that you like, you might want to narrow it down to two. Study these two plans very closely and choose the one you want to build that is right for you. If neither one is exactly what you need, choose the one you can make the fewest modifications to that will fit your needs.
Studying plans is like reading a set of blueprints. This can be difficult for many different people. Knowledge of mathematics and engineering will help on a project like this. If you have any doubts about the plans, consult with someone who can help you or can at least explain to you how to read the plans and what to do.