Fittings and line cuts in NC files

Last updated March 6, 2017 by Tekla User Assistance

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Fittings and line cuts in NC files

Fittings and line cuts in NC files

When creating NC files in DSTV format, the method you use to cut the end of the beam affects the beam length in the NC filefile that contains information gathered from a model and exported to computer numerical controlled fabrication machinery

Tekla Structures produces NC files in several formats, for example, DSTV.


  • Fittings affect the length of the beam in the NC file.

  • Line cuts do not affect the length of the beam in the NC file.

When you cut the beam end, use the fittingadjustment of a part end

method to make sure that the beam length is correct in the NC file.

The overall length of a beam will be the fitted net length of the beam. This means that Tekla Structures always takes the fitting into account when calculating the beam length.

For lines, polygons, or part cuts, the cut does not affect beam length, but the overall length in the NC file will be the gross (initially modeled) length of the beam.

  1. Fitting

  2. Line cutcut that is defined by a cutting line

  3. Polygon or line cut

  4. Fitting

Shortest length

If you want to use the shortest possible length in an NC file, use the advanced option XS_DSTV_NET_LENGTH.

Net and gross length

If you want to include both net and gross length into NC file header data, use the advanced option XS_DSTV_PRINT_NET_AND_GROSS_LENGTH.

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