I wouldn't bother with a gutter at all. Install a rain diverter the whole width of the roof.
https://www.todayshomeowner.com/video/how-to-install-a-rain-diverter/
https://www.todayshomeowner.com/video/how-to-install-a-rain-diverter/
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Slick..... wonder about ice tho.I wouldn't bother with a gutter at all. Install a rain diverter the whole width of the roof.
https://www.todayshomeowner.com/video/how-to-install-a-rain-diverter/
Bamboo is great but it does splitOr you could get some of the large bamboo and split it length wise for gutters.