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I have this mining machine to model and before I launch into the blade, just wondering if you have any advice on how I could easily model the blades, notice the red lines that show the curvature of them. And also the blade tube can detatch like with the green lines I have shown, any easy way to cut that out?

enter image description here

Thanks in advance.

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  • $\begingroup$ The curved blades you could model like bottle threads? Have a look here: Converting bottle threads from diagram... and here: How to model the bottle threads?, Or use other hard surface modeling techniques. E.g. add a cylinder, then add plane (rotated, subdivided a few times, placed in the cylinder), add a Shrinkwrap modifier (mode Project) + a Solidify modifier to the plane to create a blade $\endgroup$
    – Blunder
    Apr 12, 2022 at 1:15

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Sorry for the delay, but spikeyxxx on the CGCookie forums had a good idea, ie use the Worm Gear (Shift A > Mesh > Gears > Worm) as a base and create it from that.

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