The node was created by 3D Artist Guang and is available for free.
3D Artist, known as Guang, has released a new node for Substance 3D Designer that will allow you to create any type of feather you want in just a few clicks. According to the creator, the node can create feathers of any shape, form, and color and is based on Igor Elovikov's IE Curve Toolbox For Substance Designer. What's more, the node is available for free and can be downloaded by clicking this link.