i created a geometry in blender and imported into sketchup for converting into energyplus file but am unable to create zones for the imported file

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I created a geometry in blender and imported into sketchup for converting it into an energyplus file but am unable to create zones for the imported file using the euclid extension any solution for this problem........ Or any alternative for converting a 2d diagram into 3d and converting it into a 3d model for energplus...

Thanks in advance...............