Actually found out more, there is also this stuff called Luxaura which is an acrlyic rod that functions the same and are heat formable. they are also relatively cheap too. Extreme LED has them as well as "light engines" which look like just 3 leds in a plastic cap so i might just make one myself.
as well there is Lumenyte which sell fibre optic "linear emitting fibres" that run off led engines.