I did it!!
Kids packed off to bed before 7pm, and Tardis-making time for me!
I found a great picture here and used this as my 'pattern'. I had grand ideas of paper-piecing it, but I got all confused at the first seam, so just cut the fabric to size and made it up as I went along.
I printed onto some white Klona, and I think dear son is going to be pretty impressed!
Apologies for the dreadful photos - I will take more tomorrow for part 2, the finished item - no leeway here, it's his birthday on Thursday!
I was originally planning a 'crayon-roll' type affair, however the number, size and multitude of removable sonic screwdriver bits and pieces was making this a little tricky to plan out, so I am going for a huge zippy-pouch, about 9" x 12", and hoping it'll be bigger on the inside ;)
Further apologies to all non-geeks, this probably made no sense whatsoever xxx