It was inspired by the line 'this tape will self destruct in five seconds' that used to feature in the show, but you never got to see the actual explosion. Here it is detonating in an old fashioned British phone booth. Look closely for bits of tape reel, telephone receiver, springs etc.
The quilt was constructed on a foundation, with the backing and wadding spray sandwiched already, so little extra quilting was needed, although he tried out some free motion machine quilting on the clouds (brave to do!) The phone box glazing is done with sparkle organza, with all the explosive bits underneath, held on with Steam a Seam 2.
On the Bernina -
The lettering up the side was done by hand. Here are some more details -
Think I've worked out how to upload photos now!