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Advanced Techniques Professional Wall Mural Painters Employ

Painting a mural on a large scale requires some special consideration beyond simply attempting to free hand the painting in a large format. There are a few ways that painters will execute their wall murals and enlargement is always part of the process. How does a mural painter go about enlarging their artwork to wall mural format in order for it look perfect on their target wall? There are two commonly used methods; projection or a grid.

mural painters rendering a wall mural after image projection


Projection is probably the most utilized method of enlarging imagery onto large surfaces. Simply put, a projector is used to project the image onto the surface that the mural will be painted on. This is the absolute best way to paint a mural as it allows for any final corrections to be made before the actual painting is rendered. The mural can be seen exactly as it will end up on the surface, say with a few shadows caused by surface features. The work must be carried out at night to allow for the projection to be easily seen. Once the image is projected on the wall  the mural painters will do the outline of the mural allowing them to do the bulk of the painting work during the day time.

Grid Systems

A grid system is another common method of enlarging a mural onto the surface of a wall. This is commonly employed in areas where projection would be difficult. The system is simple enough, each portion of the mural is broken down into grid spaces and each grid space is painted onto the wall sequentially allowing for an accurate depiction of the mural on the surface. The problem with using a grid rather than projection is that a grid can be rendered incorrectly due to human error, whereas a projection the painter simply traces the image as it’s projected onto the surface

These are the two most common forms of image enlargement used during the initial rendering phase of wall mural artwork.