LulzBot TAZ 5 - Extrusion Shape; No Path Overlap

2.8. ADVANCED TOPICS
Figure 2.66: Extrusion shape.
When target extrusion width is thinner than layer height the shape is
unpredictable so we just use the same rectangular formula but discourage
usage of such thin extrusion values.
The above formula provides a function that correlates the target extru-
sion width with the amount of material to extrude per distance unit:
E = f(extrusion width layer_height)
Spacing paths
How much should we overlap paths in order to get perfect bonding?
Supposing no overlap, thus tangent paths, there would be empty space
(yellow):
Figure 2.67: No path overlap
The cross-section area of such voids is generally:
void area = layer height\^{2} - (layer height/2)\^{2} * PI
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