Place the items together in one area. A plastic mixing container Wooden chopstick Dry pigment Painting spatula An acrylic base Solution (water or an alcohol like rubbing alcohol) Acrylic retarder You can use the flat side of a painting spatula to apply pressure until you do not feel any "grittiness. Paint pigments sold in arts supply stores usually come in powdered form. Many artists also choose to find alternative pigments based on crushed dried plants or other substances. Grind the pigment until you do not feel any "grittiness" as you apply pressure. Most pigments will break down fairly easily, so just make sure that there are no irregular lumps remaining. If the pigment has come in powdered form, you may not need to grind it unless it is lumpy. Before you begin mixing the components together, you should measure and record the quantity of pigment and base used. You may need to make more of a color before you finish a painting or to retouch a painting. You can only do so with consistency if you know how much pigment and acrylic base you used. Acrylic base is essentially paint without pigment. It will usually come in a squeezable tube and the substance itself will appear white. There are several different sorts, such as glossy or matte, and you must determine which type you need for your painting. Use the wooden chopstick to mix them thoroughly together, until the pigment is evenly dispersed throughout the acrylic base. Read the instructions that came with your acrylic binder because the preferred ratio of base to solution varies from brand to brand. Some pigments (especially organic ones) have a tendency to float on water. In this case you would substitute alcohol. Make sure you are using a solution appropriate for the pigment. It's not ideal to mix alcohol into acrylic paints because alcohol dries quickly, causing the paint to also dry quickly. If you are using a pigment that mixes best with alcohol but want the paint to dry more slowly, you can add water after you have mixed the pigment with alcohol. Too much water or alcohol will dilute the acrylic binder, so be careful. Acrylic retarder helps to slow how quickly acrylic paint dries. It's important to follow the instructions that came with your acrylic retarder. However, a general rule of thumb is that more retarder used, the slower the acrylic paint will dry. You can figure out ratios of your own liking as you become accustomed to its use. Acrylic retarders are especially necessary if you are attempting to create photorealistic paintings or portraits of a human subject. Colors must be blended together on the canvas to create the contours of complex shapes, but fast-drying acrylics will set before a second color can be added.
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One-sentence summary -- Gather all of your supplies. Grind the dry pigment. Measure and record the amounts of pigment and acrylic base. Add the pigment to the acrylic base in the plastic container. Combine the solution with the pigmented acrylic base thoroughly. Blend in acrylic retarder.

Article: Scrub to remove all dust and debris from the surface. After washing, dry the window completely. Make sure there is no paper or fabric left behind on the surface or else this will affect the final appearance of the frosted glass. This border will be the portion of window you don't want frosted. Blue painter's tape. Painter's tape is specifically designed to endure wet applications. It has a weak adhesive allowing it to be easily removed. For windows with lattice work or muntin bars (strips of wood between the glass), cover the wood with tape. If the 1-in. painter's tape width isn't a thick enough border, lay another piece alongside it. Use a tape measure to ensure that borders are symmetrical; uneven borders look bad. If your window does not have a frame, simply tape along the outside edges until you have created a border. Use painter's tape to hold it in place. Don't leave any openings or gaps where the spray could enter. When working indoors, open doors and windows and turn on fans to help circulate fresh air. Consider wearing a particle mask to protect your nose and mouth. The spray fumes are hazardous to your health. Take the window outside, if possible. This ensures a healthy work space and decreases the likelihood of "overspray," and frosting spray drifting onto other objects. Find frosting spray at craft and home improvement stores. While shaking the can, you should hear the small ball inside begin to rattle. Test spray on a small piece of cardboard. If it sprays correctly, prepare to frost your glass. If it is not spraying at a steady rate, continue shaking and testing in 1 minute intervals. Hold the frosting can at least 12 inches (30.5cm) from from the window's surface to avoid splotches and runs. Apply a light coating at first. It is easier to go back and add a second or third layer to even out the frosting, but it is difficult to remove gloppy or runny patches. Expect 5-10 minutes for the frosting to become visible on the glass. Use the same back-and-forth motion to create a smooth frosted surface. If necessary, apply a third or fourth layer of frosting until you get the desired effect. Follow the spray can's directions regarding the wait time required between coats. If you are satisfied with the appearance of the frosting, apply sealer. Acrylic sealers protect glass from the elements such as moisture and dirt. The protective gloss coating is often permanent. If you are unhappy with the frosted surface after the sealant has already dried, you will need to scrape it off with a razor blade. Peel slowly to avoid accidentally removing the frosting. If you worked indoors, remove the painter's tape cautiously. This will prevent removal of paint from the walls. Use mineral spirits to clean any overspray from your hands and other objects. Do not use mineral spirits to clean items with paint or nice finishes, as this could damage the quality.
Question: What is a summary of what this article is about?
Wash the window thoroughly. Tape a border along the inside of the window frame, using painter's tape. Cover the interior walls of the work area with masking paper or plastic sheeting. Shake the frosting spray can for the suggested length, usually 1-2 minutes. Spray the window using large, back and forth motions to cover the surface evenly. Apply a second coat of frosting after your first coat has completely dried. Spray acrylic sealer onto the frosted window after it has completely dried. Remove the painter's tape carefully from the glass after the frosting has dried.