
Figure 9. Built part and estimated surface quality.
the orientation suggested by the software tool under
some of the applicable selection criteria. For each
orientation, described by the pair (ϕ
x
, ϕ
y
), the tool
also suggests an alternative orientation deriving from
a rotation about the z axis and thus equivalent with
respect to the γ angle of individual facets.
Orientations A1 andA2 yield the best surface qual-
ity according to the geometric measures described in
section 4. They are few degrees of rotation apart from
orientations B1 and B2, which optimize surface qual-
ity expressed by a roughness model specific to the
FDM process. As a justification of ...