Surface Roughness Modeling of Material Extrusion PLA Flat Surfaces

Figure 3

The measured Ra profiles (a) for nine runs of PLS at 0 degrees, (b) for nine runs of PLS at 45 degrees, (c) for nine runs of PLS at 90 degrees, and (d) for the standard precision reference specimen.

(a)

(b)

(c)

(d)