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I would like to achieve as much realistic result as possible for a cinnamon stick, one of the things i find challenging is making the flaky fragments at the edges only.

REference image as indicated with number 2 below

enter image description here

here is my blender file

thanks for the help

ideorium
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  • Rather than getting other people to model the flakes, at some point you're going to have to learn how to model better. Practice modelling bigger things which don't have intricate shapes, like a pair of headphones or a memory stick. If you can model those you can model these flakes easily. Model what you see, at least show that you have tried -- else we can't be certain that our suggestions will be much help in the long run. – zeffii Jun 16 '15 at 17:13
  • I agree Questions here should be to learn how to catch fish, not to get fish directly...I understand your point @zeffii and accept that my model is not finished yet, but I thought whilst i was on modelling the stick part of cinnamon I can learn the difficult part as well.many thanks to MarcClientDionfor for his support. – ideorium Jun 17 '15 at 14:36

1 Answers1

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I separated the Object Data so I could modify each model independently.

The model on the left has the Solidify Modifier Applied since it restricts Vertex Painting and UV Mapping, (I wanted to try a few things there.)

The model on the right is mostly the same as you made it.

I used Vertex Paint and a Particle System on both of them.

There is a Group of several jagged models on a hidden layer that are being used to simulate the flecks along the edges.

It's really now just a matter of cloning those pieces using the particle system and using weight painting to control the distribution on the cinnamon stick models.

To make a series of Objects connected using a Group, press g while in Object mode after you have selected all the Objects for the group. They should now all be highlighted in green. I find this works best when you have the Objects facing down the y-axis with the Origin at (0,0,0). I also, prefer to rotate them in Edit mode to avoid having to apply the rotations.

enter image description here

In the Particle's Render tab, activate the Group option and Select the group. It would be better to change the name 'group' to something more like 'flecks' since Blender also calls Vertex Groups 'group' and since Weight Painting adds a Vertex Group, this can be confusing.

Also, in the Particles tab, add 'Group' to the Vertex Group's Density field. Now any weight painting that you've done on the model should control where the flecks show up. Adding the Vertex Group control to the Length helps here as well.

enter image description here

Here's the modified .blend file.

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MarcClintDion
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  • This question is part of a series of questions. http://blender.stackexchange.com/questions/32392/how-can-i-add-banded-lines-to-the-end-of-cinnamon-sticksor-sheets-of-wood/32444?noredirect=1#comment51037_32444 – MarcClintDion Jun 16 '15 at 09:55