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This chapter provides an overview of various methods for creating thin hairline outlines. These methods are described in greater detail in their respective tutorials.
Thin outlines, as shown in these images, are frequently utilized for lettering, logos, and cartoon motifs. One of the fundamental rules in embroidery is to minimize the number of trims. Consequently, the most effective way to produce these outlines is to digitize them as a single continuous stitch path. To eliminate trims, specific sections must be stitched twice: once in the forward direction (forward path) and once in the reverse direction (backward path). In practice, a complex outline can be created by stitching each of its elements twice. The end point of such an outline is identical to its start point. In Studio, this is referred to as a two-layer outline.
Object Inspector facilitates the identification of discontinuities in outlines. Gaps or breaks are marked with a scissors icon. The tool also helps identify the forward and backward paths within an outline.
Backward Paths represent the return routes on the branches of a two-layer outline. In the Object Inspector, these are identified by a footprints icon.
When a backward path is present on a two-layer outline, the embroidery remains continuous and requires no trims.
Studio offers several methods for creating two-layer outlines, varying by the level of automation provided. While many digitizers prefer a specific workflow, the most efficient approach is typically using fully automatic outlines. However, manual or semi-automatic methods may be necessary in certain scenarios, such as when combining a thin outline with a column object.
Manual digitizing of all elements, including backward paths, in the correct sequence.
Icon of the Outline Tool.
A precise sequence of outline objects is required to ensure continuous stitching. This method is generally not recommended and is included only for completeness.
Sequence of elements 1-4. Purple and red indicate the current element.
The purple element represents the first layer of stitching, while the red element represents the second layer.
Sequence of elements 5-8.
Note that the end point of element 8 is identical to the start point of element 1.
Manual digitizing using the main menu > Build > Outlines > Create Backward Path command.
The elements of the backward path are identical to those of the forward path but are stitched in reverse order. As a result, the software can generate them automatically.
Although the software assists, the correct sequence of elements is still necessary. This method is suitable for creating small outlines in combination with other object types.
Semi-automatic method: manual digitizing of forward elements in any order, followed by automatic arrangement using the main menu > Build > Outlines > Arrange Outline Parts command.
Elements may intersect and can be digitized in any order. For optimal accuracy, ensure that elements connect properly at their junctions. The software splits and sorts the elements to establish a correct sequence and generates all necessary backward paths.
The start point of the first element serves as the start point for the entire outline. Because the outline is two-layer, this also serves as the end point.
If certain elements form separate objects (such as the dot on an "i") or are positioned far from other elements, the program creates a connection to ensure the outline remains a single object. To keep these objects separate, use the Arrange Outline Parts (no Connections) command.
Arrange Outline Parts (no Connections) tool.
Elements 1-4. The order of digitizing is not significant in this method.
The start and end points of the outline are identical to the first node of the first element (indicated by the blue circle).
It is important to avoid duplicate edges and to align the end points of individual edges accurately.
The illustrations above depict the sequence and layout of the outline elements.
Arranged elements are combined into larger segments to optimize the stitch layout. To keep original elements separate for easier editing, disable the Combine Arranged Outline Parts feature in the Parameters window > Whole Design > Main Settings tab.
Compared to Method 1, this requires approximately 50% fewer elements to digitize since backward paths are not manually created. The order of elements is flexible, and there is no need to track which sections already have a second layer of stitching.
This semi-automatic method is recommended for complex outlines when Method 4 cannot be used.
Automatic creation of outlines from fill and column objects. The user selects the objects to be outlined and applies the main menu > Build > Auto Outliner command. This approach is recommended whenever possible.
Automatic outlining may fail if fill or column objects have identical edges (adjoining areas without an overlap). This often occurs when working with vector objects imported from graphic files (SVG). In these instances, edit the adjoining edges to create an overlap or utilize a different outlining method.
Methods 3 and 4 are the most frequently used.
Note: Forward and backward paths are identified within the Object Inspector by specific icons:
and
These icons assist in identifying elements for selection and editing. Additionally, the main menu > Select > Outlines > Backward Paths command allows for the rapid selection of all backward paths. Once selected, you can apply satin stitches to these elements - for example - or perform other necessary edits.
