Building a sharp edge on a blade advice

Hello fellow builders. While I’ve been on the scene for the past decade and more, there’s always something new to learn, yes? Here’s my situation; I want to build something more complicated than I’m used to, but I don’t know how I want to go about it in a conventional manner. And I don’t want to move to another 3D Modeling platform that may or may not have a strong learning curve unless absolutely necessary (e.g blender)

I use primarily both F3X and the built-in ROBLOX Studio building mechanics, for starter. And recently, with my ‘self-introduction’ to creating weapons without a direct reference, I’ve gotten to a point where I don’t know how I want to create a sharp blade. I do know how to make a sharp blade on really stiff, upward facing swords, but say I want to create a machete?

The blade part where you’d actually do the cutting, that’s the part that I want to build. How could I go about doing that on ROBLOX, either with or without other plugins (assuming that the default tools we’re using is F3X and ROBLOX’s tools).

I can further explain what I’m looking for in the comments if need-be.

(Typically, I would take a part or wedge and resize/position it accordingly such so that when it comes time to negate it, I would get a nice sharp edge. Build is not made accordingly to the above picture, just an example of what I mean for visual inference.)

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You would need to use negations, negations are pretty straight forward and you don’t need any plugins to use. You’ll be able to replicate it coming to an edge, but it’ll be pretty hard to smooth it out. If you aren’t too familiar with negations, many youtube tutorials go over them and it is really simple to grasp.

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Like I said, I’m very well aware on HOW to make something sharp with negations, but I was just wondering how I could replicate that onto a curved surface for more realistic blades.

as far as im aware, if you want to stick to using roblox’s negations, then you would have to add lots of negating wedges along the blade (per edge to retain the curve shape). however, i recommend using blender because the learning curve for shapes like this isnt as steep as people make it out to be

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