Not sure how useful this is for replicating . . .

[juno]

Apparently #6 plastic shrinks in the oven just like Shrinky Dinks (for those non-recyclers, the ones that have the number 6 inside the little triangle, at least in the US). Some of the comments toward the bottom of the link give you some ideas of what products come in it).

http://www.instructables.com/id/EIW10VHVUOES9J6JE0/?ALLSTEPS