Gaza; If you look earlier in the thread, youll see that I have posted
a picture of the balsa"core" inside a 2L Fanta bottle.
The bottle has been cut open in the bottom to make it possible to slide the core inside.
I use a heatgun to warm the material, the PET bottle then tries to get back to its original shape
(which is a really small tube) and thereby gets a snugg fit to the core!
But it makes a "tent" over any concave shapes, as the material gets as "short" as possible..
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