VEVOR FLM-R30-FT Mode D'emploi page 350

Fig 3-4(a) do not click 'All Calc', the hatch line are not in the same line
Type of Hatch: (Figure 3-5)
Unidirection hatch: The hatch lines will be marked from left to right.
Bidirectional hatch: The hatch lines will be marked from left to right first, and then
from right to left.
Ring-like hatch: fills objects from the outside to the inside like a ring
Optimization two-way hatch
Click the button will switch between the Unidirection, bidirectional, and ring-like hatch.
Fig 3-4(b) click 'All Calc', hatch line are in the same line
: similar with bidirectional hatch, but the end of each end connects.
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