Complex sentence: By the mid- 1890s, he was creating his most characteristic and original designs, flowing patterns in pastel colourways with flattened silhouettes of birds, florals, and hearts, with designs used for both wallpaper and textiles, often executed as wool double cloths for furnishing.
Split into simpler sentences: By the mid- 1890s, he was creating his most characteristic and original designs, flowing patterns in pastel colourways with flattened silhouettes of birds, florals, and hearts. Designs were used for both wallpaper and textiles, which were often executed as wool double cloths for furnishing.