H.D. · P. H. · Patrick D.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Build Your Own CNC Machine | 978-1-4302-2489-1 (1-4302-2489-4) | 2009 | |
| Printing in Plastic: Build Your Own 3D Printer | 978-1-4302-3443-2 (1-4302-3443-1) | 2011 | James Floyd Kelly |