From Synfig Studio :: Documentation
About Stretch Layers
"Stretch Layer" distorts objects of the lower layers in both axis.
- Center image is default size of Stretch Layer with Amount – 1u,1u
- Amount for left image – 1u,0.5u
- Amount for right image – 0.5u,1u
Parameters of Stretch Layers
The parameters of the Stretch Layers are: