This would eb a good thing to post on the "show case forum", if you would like to
viewforum.php?f=24
Yes, I think there would be.evgeny_magata wrote: i assume there is minimal shrinking of the plastic when it cools down...
Like you said though, not doubt it sticks on well. Perhaps if you wanted to experiment, you might find you could carefully heat the gear to less than its melting point, and then it might slip on more easily and then shrink down tight as it cools. That is the process that was used to fit steel rims/tyres on wooden horse cart wheels and various other applications.
Jim