Painting on glass is easy as much as painting on paper. But you have to be careful to handle the glass material. Make sure that your glass surface have to be clean and dirt or oil free before applying paints.
There are many types of paint colors available in the market which can be used to paint on glass. Like, Acrylic colors, Oil paints , Glass colors from different company. Generally I use Acrylic colors for glass painting. It does not require to heat product.
Make your design clear in your mind before paint. Sketch or paint in paper for your better performance. Make all stuff handy like, paint brushes, colors, medium, dry cloth or paper towel, tray etc.
For painting you can use normal paint brush which we use for any other painting. Paint brush must be dry. After painting, wash brush with water and dry it thoroughly.
Whenever you start to paint, first shake the bottle or roll it on plain surface or stir it.
Some paints may require more than one coat. So first allow the first coat to dry before applying a second coat.
You can use thinner or medium whenever you want to make thin layer on glass. Remember, never use water to make thin color. It will damage your color consistency.
Always use color direct from the bottle.You can take it on paint tray. If you want to make new color by using two or more different colors, you can make it easily. But don't use water. If needed then use thinner or medium.
There are many type of spray paint available in the market that you can use it for glass paint.
Markers are also used for glass paint. like, to make outline.
If you make some mistake while painting and you want to remove paint from glass, wipe it with clean cloth or paper or just scratch that part gently.
Painted glass materials must not be wash with water, Just hand washed it and don't scrub it.