WF_Checker is a simple grid and checker generator plugin, great to add texture and mix with the original picture.

You can choose between Grid, Checker, Verticales Lines Horizontales Lines or 45 degree Lines and Inverted or/and center them.

Red, Green, Blue give the grid (or checker) color. They can be Linked.

Red Contrast, Green Contrast, Blue Contrast change the contrast on each channels. They can be Linked.

Horizontal size slider and vertical size slider define the spacing and line width slider define the line width.

Low, Mid and High affect the grid (or checker) compared to the luminance.

The eleven blendmodes are available.

On the right, Use Sec button and Secondary slider are to use the same layouts as in the Colour menu. Invert is inverting the secondary, it’s independent from the Lustre invert buttons in Keyer and Geometry. Mask Opacity is also independent from

Documentation button will open this document.

Reset Button reset the Plugin parameters.

WF Online button will open the Workflowers website.