OVERVIEW
When processing an STL file, smaller or larger toolpath widths are sometimes required
to achieve proper fill for certain portions or features of a part. While changing the tip
or modifying global toolpath settings for the entire part will generally work, often times
it is unnecessary. Custom Groups provide a means to specify different toolpath
parameters for an individual curve or curves.

Examples include:
• Features too small to fill using the default toolpath width
• Features requiring reinforced walls such as bosses and flanges
• Areas that require different fill styles

A common situation requiring custom toolpaths is when the default toolpath cannot fill
in the space between two walls, resulting in voids and weak wall strength (Figure 1).
This is corrected by modifying the toolpath width parameter (Figure 2).

A similar situation arises with bosses, holes and flanges where the default toolpath
results in small gaps between the contour (outer wall) and raster (infill) (Figure 3). This is corrected using additional contours applied with custom toolpath parameters (Figure 4).

For more information, please download the full document here.

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