Save the pattern as an image that Poser can understand (jpeg, tiff, psd, png). Connect a new node to the Diffuse input of the root node. The new node should be of the type 2D->Image map In the image map node, click the Image button and browse to your image. Play with the material room (for instance, connect the image node to the Specular input and play with specular color and size, and/or connect it to the Bump input and play with the bump strength. When you're satisfied, save the material to the library.

The pen is mightier than the sword. But if you literally want to have some impact, use a typewriter

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