I'm trying to make a video explaining "Solids of revolutions" in calculus; i need to animate the "spin" tool, i have looked it up, and all what i found talks about rotations, which is not what i'm looking for, by spinning i mean using this command line

bpy.ops.mesh.spin(steps = 90,angle = 2 *math.pi, center=(0, 0, 0), axis = (1, 0, 0)) 

Perhaps you can use the screw modifier and animate the angle property.

Here is my mesh that is curved and only an edge. I apply the Screw modifier and set Angle to 0. Then I hover over the Angle box and hit i. This adds a key frame to that property. Go to the frame where you want it to be fully spun and set degrees to 360 and hit i again over the green box. It should turn yellow.

enter image description here

Now, it should be animated! Here is a still mid animation. enter image description here

  • $\begingroup$ you're awesome, it worked, but i have another question if you may, can I somehow animate each segment in the curve separately without separating the curve into 9000 layers? (the curve is just (cos(x)) ) $\endgroup$ – Boud Math Nov 17 '18 at 5:50
  • $\begingroup$ @BoudMath Hm. Could you give me a picture of what you want to do exactly? Maybe I can create something for you to play around with. $\endgroup$ – kaisa Nov 17 '18 at 21:18

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