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I'm trying to make and rig a human mesh but instead of faces I want the volume to be made out of lines, like the image below suggests, with the possibility of animating the lines, just make them wiggle constantly. Is this possible? and how can I do that? Sorry if I didn't explain myself clearly or if this is too much work.

Thanks in advance! enter image description here

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You can try Btracer add-on (distributed with Blender) ...

  • Add Particle system to object (Source > Volume, Start/End 1, Physics > None)
  • Enable add-on in Preferences, add-on located in 3D view editor Properties side panel (N) Create tab
  • Choose Particle Connect tool
  • Run

enter image description here

Notes:
For the final result I did some cleaning.

  • there were some wire connections with long distance. Hard to select in curve, so I decreased curve resolution to 1, Geometry Extrude to zero, Convert object to Mesh, select edges manually with Circle select (C) or select few and search for Select Similar > Length, Delete (X). Convert back to Curve, switch type to Bezier, Handle type Automatic.
  • particles are connected in visible parts, but it can be easily *Transform > * Randomize.
  • for sketchy look use under *Curve Properties > Geometry > * Extrude (rather than Bevel > Depth)

enter image description here


Rig

To rig this thing can be easily done with the same mesh used for particle system.

  • Add Displace modifier to expand a bit character (like a Michelin :) )
  • Add MeshDeform modifier for curve object (Tracer)

enter image description here

enter image description here

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    $\begingroup$ Hi, this is exactly what I was looking for but everytime I run the particle connect this happens: [image] (ibb.co/YTb4sZ0). $\endgroup$
    – Lurkinhas
    Dec 12 '20 at 17:34
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    $\begingroup$ Disable Emission > Source > Distribution > Random Order in Particle System properties. $\endgroup$
    – vklidu
    Dec 12 '20 at 19:14
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This uses Add Curve Extra Objects which is bundled with Blender.Enable the add-on from preferences if not already enabled.

Select the object you wish to fill, and select Bounce Spline from the Spline Generator menu in the N panel. Then in the redo panel (F9 in the default keymap) adjust the parameters as you wish, and give the spline some thickness in the curve geometry settings.

See gif below:

enter image description here

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  • $\begingroup$ It probably follows too much surface, but speed is awesome :) Thanks! For more calligraphic style (pen draw) works better Geometry > Extrude (than Bevel > Depth) imgur.com/4KfYeys $\endgroup$
    – vklidu
    Dec 12 '20 at 11:17
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You could create a collection of beveled bezier curve circles:

enter image description here

Give your object a Particle System > Hair with the collection as Instance Collection, disable Show Emitter, and choose Emission > Source > Emit From > Volume:

enter image description here

enter image description here

enter image description here

Here is what it gives:

enter image description here

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  • $\begingroup$ +1 seems to be lighter and easier to achieve final result, great, thanks :) $\endgroup$
    – vklidu
    Dec 11 '20 at 16:15
  • $\begingroup$ it's not perfect but I guess it's a quick way to do it $\endgroup$
    – moonboots
    Dec 11 '20 at 16:20

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