Quote Originally Posted by majex45 View Post
I was in B&Q recently and they sell a molding putty that allegedly sets slightly "rubbery".
In a pull-off card on one of the shelf supports. About £10 if I remember correctly.
Sugru, maybe?

Has anyone tried using polymorph? Comes as small plastic pellets, put them into hot water and it fuses into a plastic putty you can mold as long as it is hot. Quite hard wearing when dry, has the consistency of solid nylon, but it can be melted and re-used if needed.