let me know if you get stuck and have no luck finding as I could possibly design a plastic one and make it available in a strip of 10 on a branch to get the price down (have learnt that making branches greatly reduces prices as it is considered one part with one handling fee) from Shapeways in about 9 different colours.
White, Hot Pink, Red, Orange, Pale Yellow, Forest green, Blue, Purple
Not having much luck yet...what you're talking about making sounds like a great alternative to the original. I have the yellow tip ones on my Klondike and the one I do have on Skylab is a navy blue / purple colour.
