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“Embossed” helix?
So I’m pretty new to Cinema, though in the last week or so I’ve managed to garner a decent understanding of the layout, and I can do some basic constructing. I’m planning on eventually constructing this: https://farm3.static.flickr.com/2634/4279564674_5679e36ab5.jpg
The mecha has large drills, but the spiral that runs along the cone is “dug” into the cone, and I’m not sure how to go about that. I’ve managed to make a helix, with a triangle set to take it’s shape, and had that run along the drill, which produces the opposite effect, albeit still making a drill. So how can I cut into a shape like that?