In many cases, yes. Please see our Terms of Service, sections 1 and 2 for details of what is allowed and what isn't. Unless otherwise noted, free designs are for personal use only and products made using free designs may not be sold. Purchase of our designs indicates that you comply with all terms and conditions listed in our Terms. To inquire about obtaining an Enterprise License for high volume mass production (above 500 units) for a design, please contact us for a quote..