Can I wrap a 3D polyline along a surface?

[smileyours]

I want to draw a 3D-polyline and wrap it to a surface so that the elevations in the surface aplies to the polyline. With every elevation difference i want a vertrice to be added to the polyline so that it follows the surface perfectly along the polyline length.

Possible?

[rkmcswain · Accepted solution]

Draw a polyline or feature line (if you initially draw a polyline, then convert it to a feature line using: Home>Feature Line>Create Feature line from Objects)

Select the feature line and then on contextual tab, click Edit Elevations, then Elevations From Surface

(The type in command is _AeccFeatureElevsFromSurf)

[smileyours]

that also solved my problem with not being able to ofset 3d polylines. thx! 

[antoniovinci]

Ubi maior, minor cessat...

Here's an alternative, working in 'vanilla' Autocad too:

1] explode your solid/surface/everything to a 3Dface level

2] appload the attached lisp

3] run SEZI
4] in plan view, draw a 2D poly across the bunch of 3Dfaces

5] enjoy the draped 3Dpoly

[HansSMS]

Don't have to convert to a Feature line, this works with 3D polylines as well.

[MKearney028]

For a further point of clarification, the "_AeccFeatureElevsFromSurf" command will also convert a regular polyline to a 3D polyline without any additional steps. This eliminates the need for feature lines when you don't need them.

[tiagovaz_0406]

it did not work for me