Your car · drag the points

Shape the line.

Side · roof & belly

Dots: roof (upper) and belly (lower) nodes · the selected node shows its curve handles (drag; Alt breaks the pair; double-click a node = smooth/corner) · squares: side window · circles: wheels.

Top · width

Drag to widen or narrow each section. Click a dot to select its section.

Selected section

Roundness top

Roundness belly

Cabin (pinch)

Wheels

Front size

Rear size

Track (width)

Front tyre width

Rear tyre width

Glass & lines

Windshield from

Windshield to

Side window round

Side window: the square points in the side view. Drag them; double-click near its outline to add a point; select one and press Delete to remove it.

Flow lines