dynamic spacing feature added

content/hub/feature-test/folder/Dynamic-Brush-Spacing.md

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+---
+type: docs
+---
+
+# Objective
+
+Improve the quality of the brush spacing with respect to velocity.
+
+## Related Links
+
+- Branches: Artbox and [feature-dynamic-brush-spacing](https://gitlab.gnome.org/pixelmixer/artbox/-/tree/feature-dynamic-brush-spacing?ref_type=heads)
+
+## Design Revisions
+
+| **Revision**  | **Current Design**  | **Issues**  | **Changes** |
+|--------------------------------------------|---------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------|-----------------------------------------------------------|
+| **1. Remove Velocity Inversion** | Velocity is math inverted | The max and min values are inverted in the spacing curve graph  | The velocity math is not inverted |
+| **2. Remove Spacing Limits**   | Spacing is set to 200% for fast | Spacing does not respect the Paint Tool slider settings | Spacing respects the slider values |
+
+
+## Notes
+
+This feature branch is a proposed solution to https://gitlab.gnome.org/GNOME/gimp/-/issues/1863
+
+**Without Feature:** Top is a slow stroke, middle line fast, lower is slow to fast.
+![without-feature](/images/diagrams/brush-velocity-without-feature.webp)
+
+**With Feature:** Top is a slow stroke, middle line fast, lower is slow to fast.
+![with-feature](/images/diagrams/brush-velocity-with-feature.webp)