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working on solid internal surfaces

  • Thread starter Thread starter andrewltd
  • Start date Start date

andrewltd

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Hello everyone, I am new to the forum and a new cad3d
I tried to fix it by consulting the forums, but I didn't find an answer.
My problem is as follows: Suppose we have a parallelepipedo, with a flat surface that intersects it. Suppose this surface is parallel to the xy plane and passing through the center of the solid.
Suppose I want to draw a polyline lying on the surface, using not the assonometric view, but the orthogonal one (ex:view from above).
I should theoretically change the uct, that is to define one at the same height z of the surface and proceed.
The problem is that autocad snaps intercept points in three-dimensional space, and every time I find myself pomped polylines. how to define a work plan that does to my case?that is bypassing the external faces of the solid? I'm sure it's a festry, but I'm a little confused...
 
if you use polylinee however is the first point that defines elevation. with 3dpoli clearly things change
 

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