CAD tip # 13864:

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Displaying the curvature comb or radii of a general curve - CurvComb.

Using the freeware utility CurvComb you can display the curvature in individual sections of a general curve, e.g. a spline. The value of curvature (derivation) or radius at a given point is displayed by a length vector. In the case of radius, the vector has a length of 1:1, so it points exactly to the centre of the continuous arc. In the case of curvature, it is a relative value (relative to the size of the viewport). The comb is a group of lines (individually by Ctrl+Shift+A).

Download the CurvComb utility from Download, load it into your AutoCAD using APPLOAD and run it by typing the CURVCOMB command. Select the curve and choose the curvature or radius option. Then determine the density of the displayed comb.

See the video:

ACADADTPlantACADMCivilMapACLT

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19.9.2023 36457×

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applies to: AutoCAD · AutoCAD Architecture · AutoCAD Plant 3D · AutoCAD Mechanical · Civil 3D · AutoCAD Map 3D · AutoCAD LT ·

See also:
Tip 14204:	How to draw a parabola in Autodesk Fusion (or other 2D/3D curves).
Tip 14192:	MLfillet - how to fillet multilines in AutoCAD?
Tip 13433:	How to create a parametric dynamic 3D block in AutoCAD?
Tip 12471:	What for is the Bank option of the SWEEP command?
Tip 12282:	How to dimension radius and center of a spline in a given point?

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