i will try regard 3d, here is the link to the youtube video, also the top right link on the right is another option

https://www.youtube.com/watch?v=GaYfpGcXxmA

obviously i will need further software to convert it for the printer, i will need to watch the video again to see if the end result is an stl file. if not then any suggestions into the easiest converter would be welcome.