This fork visualizes the Penguins Dataset as a scatter plot, mapping bill length to the x-axis and flipper length to the y-axis. It uses D3’s `scaleLinear` and `axisLeft` to position axes, along with custom axis label utilities from `@curran/axis-labels`. The `selectAll().join()` pattern renders rectangles for the background and circles for each penguin, with fixed radius and opacity values to show data density in the plot.