07. Copy Shape / Blend Shape

This function is only available in the PRO versions.

The commands can be found in the [Edit]menu drop down list.



 
  Creating the midway point


We will use the Copy Shape command from the Edit menu to create the point between the ANGLE_X and ANGLE_Y, or the shape of the face looking up and looking left. This way, we will end up with the face looking upper-left without having to redo all of the polygon manipulation work.


 ※In recent updates, a new command has been added to Synthesize the 4 corners automatically


To create the upper-left corner Key Form, first finish the Top and Left shapes.

センター 左 上 


1- Slide the parameter to the left point (or right click to snap to it) until the drawing object or deformer is highlighted in a red box.
2- Copy the shape: [Edit] → [Copy Shape] or use CTRL + SHIFT + C
3- Go to the upper-left corner corner (or right click to snap to it)
4- Paste the shape: [Edit] →[Paste Shape] or use CTRL + SHIFT + V

 
Copy the shape of the Left Key Form
(CTRL + SHIFT + C)
Go to the upper-left parameter
(Right click or Middle click to snap to it)
Paste the shape of the Left Key Form (CTRL + SHIFT + V)


Now we will do the same to the top corner, but instead of pasting it at the end, we will use a different command:

1- Slide the parameter to the top point (or right click to snap to it) until the drawing object or deformer is highlighted in a red box.
2- Copy the shape: [Edit] → [Copy Shape] or use CTRL + SHIFT + C
3- Go to the upper-left corner corner (or right click to snap to it)
4- Blend the shape: [Edit] →[Blend Shape] or use CTRL + SHIFT + B
5- You will be prompted to the strength of the desired blend, 100% will overwrite previous shapes, 50 will blend them equally, and 10 or lower will only add a little bit of the new shape to the existing one.

 
Copy the shape of the Upper Key Form
(CTRL + SHIFT + C)
Go to the upper-left parameter and Blend the shape
(CTRL + SHIFT + B)
When prompted, select 「50」as the strength of the blended shapes.
The two shapes will be blended equally (50%)


Just to polish things up a bit, let's make sure the center point is not affecting the new corner shape.
1- Slide the parameter to the center point (or right click to snap to it) until the drawing object or deformer is highlighted in a red box.
2- Copy the shape: [Edit] → [Copy Shape] or use CTRL + SHIFT + C
3- Go to the upper-left corner corner (or right click to snap to it)
4- Blend the shape: [Edit] →[Blend Shape] or use CTRL + SHIFT + B
5- You will be prompted to the strength of the desired blend, use (-100) and click OK.

this will stop any undesired transitions between the center key form and the new one.

 
Copy the shape of the Center Key Form
(CTRL + SHIFT + C)
Go to the upper-left parameter and Blend the shape
(CTRL + SHIFT + B)
When prompted for the strength of the blend, insert -100 to the field. Done!

Using this technique, we managed to create the four corners easily after focusing on just the main 4 points of the shape: up, down, left, and right.
Some fine-tuning may be required depending on the character's individual face, or the actual parts you changed.
Please take a moment to check how the model reacts to the new shapes and manually change any details you deem necessary. 

Using the blend feature means smoother transitions between shapes because they are all derived from one another.




 
  Other uses


This function can be used in anything you'd like, for example: Creating different mouth and eyebrow shapes.
It can also be used as a starting point to a key form that you don't like, and would like to change to something better.


This eyebrow is rotated too much, we want to remove this shape completely and do it over.
Select the deformer and copy the middle parameter node (Ctrl+Shift+C)Go to the point you want to overwrite and paste (Ctrl+Shift+V), and edit the shape freely.


Using the blend function gives you more control, because blending at a minus value will be pasted in reverse, so -100% or -200% will move it in the opposite direction whether it is up-down or left-right. 


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