Hi! So, corners. Corners form when two forms interact with each other; if you look at the tail of the lobster, there's a clear corner there. Of course, that's the form that's in the reference, but it's also a point of intersection with the rest of the forms. The thing with corners is that they tend to suggest interaction with other forms.

Like here, the corners make it easy to imagine that there's another form clashing with it. That's not useful when we're adding forms to the legs, because in that case we need them blending with the rest. But if you notice in the example, those look a lot like plates, which is what we need for something like a grasshopper. So, it's not about avoiding corners, but about noticing when it's useful to use them and when it is not.

So, about the way the grasshopper plates work. It's something like this. Remember that all those forms wrap around your initial construction. In the case of the underside, you can break the plates as if you were following the contour lines of the abdomen; think about the wasp demo. The example is drawn in Paint so it's not accurate, it's just an example for you to understand how those things could be broke down.

And I'd recommend that you work with images as big and HD as you can, because in that grasshopper is a little difficult to figure out what's happening back there.

Hopefully that helped a little!