When a vintage toy broken, our heart also broken. As it rare and so hard to find. It is a normal case, because item do wear and tear due to time. But in most of the case, it can be repair.
A friend of mine own a piece of vintage Transformers G1 Dinobot Sludge, and during the transformation, he accidentally broken the leg. It was a clean break and a glue (whether super glue or epoxy) will not help.
And so, this is what I have done to repair it. First I glue the broken part together with epoxy glue. This is temporally to hold the piece together.

And here come the difficult part. I drill a small hole and link on the glue part, in order to insert a wire to strengthen it. The wire its cut from paper clip. Its done on two side.




And then, again I apply epoxy glue to the wire and hole to close up all the gap. Please take note that epoxy glue need to take at least 2 days to strengthen.


And here after its once. Work perfectly and transformation without any problem.




Then you can use black marker to color it.


























