I find the construction of this knitted pin cushion ingenious: you simply knit a band and coil it up :)
Links:
Knitted Pin Cushion (Knitted Pin Cushion or Knitting Doo-dads Cushion) (English)
via: Pin Cushion or Knitting Doo-dads Cushion
I have also found a German instruction:
Knitted Pin Cushion (Needle Tarte) (German)