| Year | 2017 |
| Date | 23-Jun |
| Volume | 219 |
| Issue | 4,563 |
| Page | 44 |
| Category | Stationary Engine |
| Part | 3 |
| Title | Puffie |
| Author | Wolfgang Tepper |
| Notes | Makes a tiny 'executive toy' that requires some precision machining. Crankcase and stand, feed pipe, reversing valve slider, crank drive, wooden base and feed adaptors, assembly, putting into service |