It is not usually considered necessary to provide separate power supplies, and it is also more cost effective to build one.
All axis motors usually do not draw maximum the same time.
I would go with a linear non-regulated.
There are many previous posts here on putting your own together, if you are fairly competent in electrical/electronics it will be fairly simple.
There is a ebay seller of Toriodal Transformers that can usually be adapted.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.