Price starts from 1 USD.
Quote online: www.pcbway.com/rapid-prototyping/
3D printing material includes resin, nylon, PLA, ABS, TPU, aluminum, stainless steel, titanium.
Printing process includs SLA, FDM, DLP, SLS, SLM.

If you are going towards a finished product with an enclosure or need a nonstandard mechanical part, besides the PCB and assembly parts, PCBWay offers fast prototyping services.
The main four leading fast prototyping methods to choose from:
3D printing
CNC machining
Sheet metal fabrication
Injection molding