Overview of the Fluid Mask Module
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- Use Fluid Mask to remove image backgrounds for printing, contour cutting, white ink printing, and laser engraving.
- Note that Fluid Mask is available as an integrated feature or add-on depending on the CADlink package.
- Confirm Fluid Mask availability for Digital Factory, SignLab, and EngraveLab.
- Use Fluid Mask to handle complex edges such as fine hair and detailed shapes.
Accessing Fluid Mask in CADlink Software
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What you need
- Fluid Mask works only with RGB images
- Convert CMYK images to RGB before using Fluid Mask
- Fluid Mask menu option is disabled for CMYK images
- In Digital Factory:
- Select the job in the queue.
- Click the Jobs menu.
- Select Edit with Fluid Mask.
- In SignLab or EngraveLab:
- Select the graphic on the work area.
- Click Image from the top menu.
- Select Fluid Mask.
Launching Fluid Mask and Initial Analysis
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- Select Edit with Fluid Mask.
- Allow the Fluid Mask application to launch.
- Confirm the selected file loads automatically.
- Observe blue outlines representing areas of similar color tones.
Edge Detection and Blending Controls
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- Adjust the edge detail percentage: Lower percentage creates fewer outline groups
- Select an Edge Blending option: Medium for most jobs
- Toggle edge visibility using the control at the bottom of the dialog.
- Adjust mask opacity as needed.
- Higher percentage creates more detailed edge groups
- Feather for gradual transitions
- Smart for strong color or pattern separation
Brush Size and Navigation Controls
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- Adjust brush size using the slider in the top-left corner.
- Use the [ and ] keys to decrease or increase brush size.
- Use the hand tool and zoom tool for navigation.
Tool Palette Overview
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- Use Keep, Delete, and Blend brushes with: Exact mode for precise edits
- Use additional tools: Erase
- Use Select tool, Clean tool, Hand tool, and Zoom tool.
- Use Select Background Color and Create Cutout buttons to finalize output.
- Access the Color Workspace button when needed.
- Local mode for flood-fill behavior
- Patch tools
- Forced Edge tool
- Color sampler
- Preview cutout tool
Example 1: Removing a Simple Background
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- Select the Delete Local brush.
- Set brush size to 153 pixels.
- Click background areas around the subject to mark for deletion.
- Switch to Delete Exact brush.
- Remove unwanted areas such as small artifacts.
- Go to the Image menu.
- Select Autofill with Keep.
- Use Delete Exact brush to clean blended areas if needed.
- Set background to the transparent checker pattern.
- Click Create Cutout.
- Go to the File menu.
- Select Save and Apply.
Resulting Output Actions
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- Return to the originating CADlink application.
- Apply contour cut lines if required.
- Print or engrave the job without the background.
Example 2: Removing Background Behind Fine Hair
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What you need
- If results are unsatisfactory, return to the Workspace tab
- Modify masks and repeat Autofill with Keep and Create Cutout
- Select the Exact Blend brush.
- Set brush size to 40 pixels.
- Brush over fine hair areas.
- Protect the blended mask using the Protect Mask option.
- Select the Delete Local brush.
- Delete background panels behind the subject.
- Go to the Image menu.
- Select Autofill with Keep.
- Use Delete Exact brush to clean remaining blended areas.
- Set background to checker pattern.
- Click Create Cutout.
- Zoom in to inspect fine hair details.
Using the Image for White Underbase Printing
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- Use CADlink automated white underbase features.
- Print onto colored objects or garments using the masked image.
Example 3: Using Color Workspace for Logo Cleanup
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- Import the job into Fluid Mask.
- Open the Color Workspace using the bottom tool palette icon.
- Select Histogram mode.
- Set graph type to Hue.
- Click the tallest histogram column to select dominant colors.
- Hold Shift and click adjacent columns to include similar colors.
- Select Add Delete Mask to Colors tool.
- Close the Color Workspace dialog.
Finalizing the Cutout Using Color Workspace
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- Confirm Delete Local brush is active.
- Review red-highlighted delete areas.
- Go to the Image menu.
- Select Autofill with Keep.
- Confirm kept areas appear green.
- Set background to checker pattern.
- Click Create Cutout.
Final Result and Usage
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- Use the transparent output for: Contour cutting
- Apply the cutout across CADlink software workflows.
- Sticker production
- Printing
- Engraving