The Clothoid (Euler) path effect applied to a sample shape
Curves

Clothoid (Euler)

Curvature that grows evenly along the arc is what road and railway transition curves demand, and it also makes a calligraphic flourish feel effortless.

FamilyCurves
Parameters1 adjustable
On canvas handlesno, adjust it in the panel
Destructiveno, the original path is kept
LicenceFree for commercial use

The 1 control

Nothing here is baked in. Every value stays live on the object for as long as the file exists, so you can come back and retune it, reorder it against other effects, or take it off and get your original path back exactly as you drew it.

  1. Length2 to 14, default 6

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