Convert 3d Polyline To 2d Autocad

2d polylines are coplanar objects. Select the polyline s to convert. In the loadunload applications dialog box select the pline 3d 2dlsp file from the support directory where you installed it click the load button and then click close.
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You can explode the 3dpolyline and then peditjoin pljoin the resulting 2d lines segments back to a 2d polyline.

Convert 3d polyline to 2d autocad. Press to complete your selection at which time the routine converts the polylines to 2d figure 2. Use the convert 3d to 2d polylines command to convert 3d to 2d polylines. If you want to just cut off the z coordinates of a 3d polyline make it appear 2d use the flatten command express tools to zero all z coordinates. Use the convert 2d to 3d polylines command to convert 2d to 3d polylines.

You can assign elevations to 3d polylines with the feature line elevation commands. After you enter pl32 autocad prompts you to select 3d polylines shown highlighted in figure 1. Use the convert 3d to 2d polylinescommand to convert 3d to 2d polylines. Convert 3d polyline to 2d polyline there are various polyline types in autocad the most common of which is usually the lwpolyline lightweight polyline.

Note this command is not available in autocad lt so use the alternate method described the alternate method to create a 2d drawing from a 3d model is to. Click modify tabdesign panelconvert 3d to 2d polylinesfind. The flatshot command converts the whole view into a 2d drawing. It can be confusing because the lwpolyline and the old polyline entity used way back in the early days of autocad are both shown as a polyline in the properties window.

Click modify tabdesign panelconvert 2d to 3d polylines find. After you load the program autocad prompts you to type pl32 to start. The new polyline will take on the elevation of the start point of the 3d polyline. Click modify tab design panel convert 3d to 2d polylines find.

If you are using autocad 2007 and higher the flatshot command is available to convert 3d solids to flattened 2d views. The new polyline will take on the elevation of the start point of the 3d polyline. Use this utility if you need to modify the elevations of individual vertices of a 2d polyline. From the autocad tools menu choose load applications or enter appload at the autocad command prompt.

Select the polylines to convert. Note that the 2d polylines retain their layer dependence.