This scene provides a platform for users to paint tiling maps inside of modo. No need to take it to photoshop and try to smudge the borders. Just grab modo's paint tool and paint your textures using any and all modo's paint tools.

Select the paint image inside of modo's shader tree. (You can change that image to any image you like, grey scale, RGB, RGBA, vector, resolution size)
Select the paint tool
make sure you're in the mesh layer of the plane
paint on the plane while viewport is texture enabled
enjoy some psychedelic patterns