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Thanks a lot in advance for any suggestion you could provide for this topic:
I am modeling a robot with servomotors, and all the servomotors have 3-line wires (a red line for input voltage, a black line for the ground, and a yellow line for control pulses), as shown in the picture (the black boxes are the servomotors):

servomotors image

Currently, I am modeling each wire separately as a bezier curve. But it is time consuming to route the wires separately through the body of the robot because I have to do it 3 times (for each different wire) and I have to make them fit together through the route as if they were attached together.

My question is: How can I create a 3 wire structure like that (3 wires of a different color) and move and edit them as if it was a single wire?

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Maybe try the Hook solution? Hook the curve vertices to an empty:

enter image description here

Now another solution that doesn't fit your needs as your curve have different colors:

Create your curve. Create its profile (create a Curve > Circle, duplicate it in Edit mode). Select the curve, in the Properties panel > Object Data > Geometry > Bevel, click on Object and choose the 3 circle curve as Object:

enter image description here

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  • $\begingroup$ Thank you Moonboots. I have already tried that, but I can´t select a different color for each wire (unless I convert to mesh the wires, but in that case I loose the bezier advantage). $\endgroup$
    – Carlos Zamora
    Commented Nov 7, 2021 at 15:55
  • $\begingroup$ oh ok sorry, maybe hooks then? $\endgroup$
    – moonboots
    Commented Nov 7, 2021 at 16:17

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