Using the Unwrap Operation
The Unwrap operation is used to create a texture that can be painted in a paint program and applied to an object.
This operation can only be used with a selection of faces as in the example above.
If there is a current texture in the material palette the unwrap will not create a new texture, but will append to the current texture. This is useful when you want to unwrap an object onto a single texture as is often required when creating textures for games.
The left panel is the wrapping preview. A temporary texture is applied to the wrap so that you can ensure that the texture will not be distorted when it is applied. The right panel can be used to adjust the texture map coordinates. Each green handle corresponds to the mapping position of a point. These handles can be moved to adjust the point's texture map coordinates. This is useful for reducing the distortion that often occurs with the standard spherical, cylindrical and flat wrapping methods.
Click
to move the
mapping to the left. Ctrl-click to move a small amount.
Click
to move the
mapping to the right. Ctrl-click to move a small amount.
Click 
to move the
mapping up. Ctrl-click to move a small amount.
Click
to move the
mapping down. Ctrl-click to move a small amount.
Click
to reduce
the mapping size. Ctrl-click to reduce a small amount. Shift-click to reduce
in the vertical direction only.
Click
to
enlarge the mapping size. Ctrl-click to enlarge a small amount. Shift-click
to enlarge in the vertical direction only.
Click
to rotate the
mapping clockwise. Ctrl-click to rotate a small amount.
Click
to rotate the
mapping counter-clockwise. Ctrl-click to rotate a small amount.
Click
to reset
all texture coordinates to their unmodified positions.
Once you are happy with the mapping simply select the texture size that you want,
if you are not appending to an existing texture, and click the OK button.
A temporary texture will be applied to the object as a placeholder for your
texture. When you have painted your texture, select it with the material
palette and click the Operation Layers panel's
update button
to replace the temporary texture with your texture.