HELIX

AutoCAD DXF Format

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Pattern Data
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DXF Reference > ENTITIES Section > 
HELIX
 
 
 

The following group codes apply to helix entities. In addition to the group codes described here, see Common Group Codes for Entities. For information about abbreviations and formatting used in this table, see Formatting Conventions in This Reference.

Helix group codes

Group code

Description
 

Spline data

100

Subclass marker (AcDbHelix)

90

Major release number

91

Maintainance release number

10, 20, 30

Axis base point

11, 21, 31

Start point

12, 22, 32

Axis vector

40

Radius

41

Number of turns

42

Turn height

290

Handedness; 0 = left, 1 = right

280

Constrain type

0 = Constrain turn height

1 = Constrain turns

2 = Constrain height
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