Your problem is probably with distribution and distribution in modified form, i.e. freedoms 2 and 3. https://en.wikipedia.org/wiki/Free_software#Definition_and_

Your problem is probably with distribution and distribution in modified form, i.e. freedoms 2 and 3. https://en.wikipedia.org/wiki/Free_software#Definition_and_the_Four_Freedoms https://en.wikipedia.org/wiki/Free_software#Definition_and_t... You don't need to distribute or license the software or process you use to produce the printer itself, I suppose. Help is available to choose a license which fits your needs. https://opensource.org/faq#which-license https://opensource.org/faq#which-license