Muslin has many uses such as: Room dividers for creating scenic settings for background scenes, homemade cleaning cloths, and light, airy clothing. One area that is commonly used is the photographer's studio.
Because of the ease with which they can be colored or colored, they make the perfect backdrop and many professional studios use them for colored backgrounds in portrait work.
To prepare muslin for dyeing, you may need to wash and squeeze it to remove wrinkles. You can also buy pink muslin cloth at https://comfycubs.com/collections/burp-cloths.
If you plan to use a large backdrop, painting muslin on a large canvas is probably the best option. You need to add the main color of the background first.
This can be done with acrylic and, depending on the coating, can cover several layers of the desired color depth.
For a smudge effect, once the paint dries, use a contrasting paint to prepare the color mixture and place it on a tray so that the sponge can easily soak in the mixture. Then the sponge is simply printed onto the background color.
If you're planning something more complex as a scene, a good way to do this is to project the background image onto the fabric and then outline the outline first to accurately reproduce the image.
It is advisable to give the background a matte finish to protect it from dust, especially if it will be used for some time.