AM is the procedure of solidifying powder or liquid by using a melting laser or a binding agent (Jon and Nathan, 2010). This process has some advantiges :

• It saves time and transporation costs related to importing fundamental materials. 

• It provides the ability to produce three dimentionl elements or objects from models, or from computer controlled additive processes.  

• It provides mass customization, flexible shapes and affordability (Wittbrodt et al., 2013).

Almerbati et al. (2014) in the research titled “The value of additively manufactured window screens in Middle Eastern dwellings” described by Postler and Ferguson Company as pioneers in the AM field (Figures 4.26- 4.27).