We don't have that service. We just provide the Rapid Resizer software to create a design that you print on your home printer and then transfer to your material.
If you want to make a stencil from the design on cardboard, plastic, or another stencil material then you can transfer your design and cut it out. Here is our blog post on how to transfer your design to various stencil materials: https://www.rapidresizer.com/home/2018/10/26/updated-design-transfer-methods