No part outlines in drawing for half cut pipe

Tekla Structures workshop form Unwrap wrap-around template tube pipe
Not version-specific
Tekla Structures
Environment
Not environment-specific

Question:
I have a pipe section cut in half. Why, if I create a single-part drawing with workshop form of this part, do I get an empty drawing?

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Answer:
The single-part drawing is empty because Tekla Structures has not been able to successfully unwrap the part. This happens because Tekla Structures could not determine an adequate unwrapping point on the part. The unwrapping point is determined by the direction of the part's y-axis as given by the command Set work plane to part top plane. The projected tail end of the y-axis arrow indicates the unwrapping point on the part:

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Therefore, it is important to change the orientation of the part (in Beam Properties > Position > Rotation) so that the unwrapping point lies on some part of the object. If unwrapping is not achieved, it is useful to try some rotation settings and/or beam direction before doing any cuts. The aim is to get the unwrapping point to lie on some part of the material, not 'in the air'.

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