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very interesting.

3D printing will not cost you more. It depends on what you are printing and which material you are using to print.

The printer you want is going to depend on the material you want to print with. If you're running a real small startup you may be in the market for a desktop printer. Desktop printers, industrial...

Where did you get started?

List of some of the most popular D3 modeling software are Sketchup, LibreCAD, SelfCAD, AutoCAD