KissCut

PySide6 GUI for generating smooth kiss-cut outlines from PNGs. Drop an image, tune a few sliders (inflation, smoothing, corner detection), preview the padded mask, and export a spline-smoothed SVG.

Features

Drag-and-drop PNG preview with auto-padding when the mask touches an edge.
Adjustable DPI, inflation (inches), alpha threshold, RDP epsilon, spline smoothing, spline points, and corner angle.
Mask overlay plus Bezier-path preview in the viewport.
SVG export of the smoothed outline (cubic Beziers).

Requirements

Python 3.9+ recommended.
Dependencies: Pillow, numpy, scikit-image, scipy, PySide6.

Install deps:

pip install Pillow numpy scikit-image scipy PySide6

Usage

Run the app:

python kisscut_gui.py

Drag a PNG into the window (or drop a file and hit “Update Preview”).
Tune sliders/inputs:
- DPI: used for inflation and mm conversion.
- Inflation (inch): outward growth of the mask.
- Alpha Threshold: what counts as transparent vs opaque.
- RDP Epsilon (mm), Spline Smoothing, Spline Points, Corner Angle: simplification and curve-fit controls.
Click “Export Vector” to save an SVG with the fitted outline.

Samples

Try the images in samples/ to see expected behavior.

License

CC0-1.0 Public Domain Dedication. Use, modify, and redistribute freely.

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