It's the running costs. If you want to make a lot of the same part and need a 5 axis mill, they have to be operated by technicians which are extremely expensive and they can't work on anything else.
Make a lot of parts on a printer and you spend a little more time designing the part and time to tune the settings (which might be done depending on the material you use) and you're off and printing and just paying for print time. Not cheap, but cheaper than paying techs at mid-scale.
Make a lot of parts on a printer and you spend a little more time designing the part and time to tune the settings (which might be done depending on the material you use) and you're off and printing and just paying for print time. Not cheap, but cheaper than paying techs at mid-scale.