connect a usb 3d printer... ...and turn it on the printer is listed as "ready" if you have a network printer... ...connect it here
autodesk inventor for 3d printing, the ip address may be on the printer itself enter the ip address and... ...click "submit" all connected printers are listed
now add another printer choose a supported printer give your printer a unique name enter the printer ip address and port if applicable
select the printer you want to start using on first launch, a guide is shown click to view the guide or... ...close it