hi .... i know its not about a stormtrooper helmet but im sure someone can help me ,,, i have a spfx vader helmet that has just fallen of its stand and on to the floor .... im amazed its not totally smashed as it was from some hieght ,,,,, anyway it has a hair line crack across the top of the dome it looks just like the paint has cracked but when i put my finger over the top it feels like the fibre glass has cracked as it feels slightly rough,,,, on the inside of the dome it looks totally ok ,,,, any idea how i can repair this ,,,many thanks ,,,, im in a right mood with myself ,,,,