They are so cheap that many people have them, or many services to provide prints. If you can find a specific market there are much higher end printers that offer industry solutions. Like Markforged can print continuous carbon fiber in the resin for parts that are same strength as aluminum, or print metals. Formlabs has dozens or resins and elastomers. Thingverse has a lot of parts ready to print. There are some free CAD solutions if you want to model parts from scratch. OpenCAD, FreeCAD, Blender