Suppose you have a simple model $($with uniform thickness$)$ as shown in the figure, do the following

$($a$)$ Suppose the part is to be built by the FDM process in either x or y direction. Which build direction $($ x or y $)$ will you recommend, why?

$(5$ marks$)$

$($b$)$ Use graphical illustrations to show the steps of how a direct shell production process could be used to produce a metal part of this model;

$(10$ marks$)$

$($c$)$ Use graphical illustrations to show the steps of how an indirect shell production process could be used to produce a metal part of this model.

$(10$ marks$)$