I'm not sure it matters too much from the context of the article. I took it to mean commercial = any purchased printers (vs a self build). The end results in te

I'm not sure it matters too much from the context of the article. I took it to mean commercial = any purchased printers (vs a self build). The end results in terms of VOC's and other nastiness is going to be the same regardless as whilst 'high end' printers might be capable of higher temperatures you still print the same materials at the same temperatures regardless of printer.