There is an option, "support horizontal expansion" which can expand the little small areas for more reliable stickage. It may generate a lot of useless supports in your case though since this is a pretty big print, but try it out and see if it helps you. Triangle support is generally more stable I find than Zig Zag if you have it falling over all the time.
Regardless it looks like a pretty sweet print even with the small fail.
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geert_2 558
For objects like that, I think it would be a good idea to design custom support structures in CAD, while creating the model. It takes extra design time, but they will be easier to remove and give better results if well done.
Then you could also model your supports more like a tree, and consume less material. And you can design any necessary gaps, holes or other features into the support to make removal easier, and to increase or decrease stiffness as desired.
There has been a thread some time ago with several pictures of support suggestions. Maybe you could have a look at that? (I can't find it now, at this moment I get zero results when doing a search. Not sure if this is a compatibility problem with my browser (Pale Moon), or something in the search database.)
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