Changing spline lines to polylines or closing causing points to move

[Anonymous]

I am trying to make an extrude cut from a solid piece and I drew on the top plane of the current item. However, after I connected all my polylines, they became splines. I tried to change them back to polylines using splinedit so I can extrude the drawing but after doing the splineedit command, the lines near my circle cuts shift at a larger angle and are not parallel to my previous drawing as seen below.

Is there a way to keep the lines from moving when closing or changing the splines to polylines?

See attached for reference examples:

In addition, if I pick a any precision for the spline to poly line command, I get an error that states. "Cannot extrude/sweep a self-intersecting curve". I can't seem to find anywhere that my lines are overlapping each other, as I connected them end to end.

[Anonymous]

use PEDIT, convert them to polyline, use Flatten to make those line on 1 plane

then use JOINT, see if it helps

[Kent1Cooper]

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@Anonymous wrote:

.... after I connected all my polylines, they became splines. ....

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That's the part I don't get.  If you use PEDIT and its Join option, and you're really connecting only Polylines, the result should also be a Polyline, even if some of the source ones may be Spline-curved  via PEDIT.  But if you use JOIN, and some things are Splines, the result will be a Spline.  How are you doing the connecting, and are you really connecting only Polylines?

[Johanna_Esteban]

Hello,

Use JOIN to join polylines, but make them spline.

The solution is to draw the polygon or border you want in lines, moths, and use PEDIT there, select one of the lines to join, ask and if you want to join more, answer Y (yes), then a menu and command bar will appear , Choose JOIN and select all the entities you want to be part of the polyline.

If you already have the spline and want to convert it to polyline you can use FLATTEN, which happens what you select a 2D, a single plane (works with 3D too), but very deteriorates the elements.

Please let me know if you can.

One more thing, so that you do not see the circles as polygons or have to be using REGEN every now and then change the value (see image) to its maximum that is 20000 so that the rounded curves are always present. : D

Greetings.

[Anonymous · Accepted solution]

@Anonymous - Hi, I fixed the issue by changing all my splines to poly lines and then reconnecting them to the end points then exploding the object and then rejoining them again using PEDIT. This method seemed to do the trick.

@Kent1Cooper - My drawing was a mixture of both polylines and splines for the arcs that were hard for me to do with polylines alone. I apologize for not being clear in my first post

@Johanna_Esteban - Thank you for your suggestion, will all the replies given, I figured out a method to do it as stated with the reply to CADangrybird. I will also take your advice on setting the value to 20000 to get the circles smoother.