This is on my list of 'to-do's'.
Not that we need more pencil cases, you understand.
But perhaps I can find another use for a rectangular, home-made thingimajig. I MUST be able to find a use for it. It could make a good STUFF holder.
And I wouldn't even have to go and buy any thing to make it with. I have a material mountain doing a good impression of loft insulation up above the rafters where I'm sitting. And even a bag of zips. Somewhere. Now let me think where I might have put them...