[Gmsh] Importing 2D step as a hole in square

[Hugo Fernando Maia Milan]

Hi to all,

I'm creating a 2D surface in CAD and importing to Gmsh how step file.
I have created a geo file to define a square surrounded the surface. I want to define CAD surface and square as different things. Meshing this file, Gmsh create a mesh superposing both surfaces, without connections between this surfaces.
So, the possible way is to define the 2D surface as a hole of square in the geo file. However making this Gmsh Crash. When a try to define, in geo file, the lines of 2D as a surface, Gmsh crash.
If I don't define the surface and use the surface number provided by importing the step file and try to define this surface as hole in square, the Gmsh crash too.
I don't know any way to solve this problem. Someone know how to solve this problems?
I'm using gmsh-2.6.1-Windows in Windows 7.
Thanks,
Hugo Milan.
Follow the geo file:
Merge "180AD02step2D.step";nponts = 8;nlines = 8;Line Loop(2) = {1:nlines};Plane Surface(2) = {1};
lpontcel = 1;
Characteristic Length {1:nponts} = lpontcel;
xmin = General.MinX;xmax = General.MaxX;ymin = General.MinY;ymax = General.MaxY;zmax = General.MaxZ;
lc = 25;lx = (xmax - xmin)*6;ly = (ymax - ymin)*6;

Point(10001) = { (xmax + xmin)/2 - lx, (ymax + ymin)/2 - ly, 0, lc};Point(10002) = { (xmax + xmin)/2 + lx, (ymax + ymin)/2 - ly, 0, lc};Point(10003) = { (xmax + xmin)/2 + lx, (ymax + ymin)/2 + ly, 0, lc};Point(10004) = { (xmax + xmin)/2 - lx, (ymax + ymin)/2 + ly, 0, lc};
Line(10001) = {10004, 10003};Line(10002) = {10003, 10002};Line(10003) = {10002, 10001};Line(10004) = {10001, 10004};Line Loop(10005) = {10002, 10003, 10004, 10001};Plane Surface(10006) = {10005, 2};
Characteristic Length {10001:10004} = lc;
Mesh.CharacteristicLengthFromCurvature = 1; 		 	   		  
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