| Argument | Type | Default Value | Note |
| TangentLayer | String | IV_TANGENT | |
| OuterProfileLayer | String | IV_OUTER_PROFILE | |
| ArcCentersLayer | String | IV_ARC_CENTERS | |
| InteriorProfilesLayer | String | IV_INTERIOR_PROFILES | |
| BendLayer | String | IV_BEND | BendUpLayer + BendDownLayer (legacy support) |
| BendUpLayer | String | IV_BEND | |
| BendDownLayer | String | IV_BEND_DOWN | |
| ToolCenterLayer | String | IV_TOOL_CENTER | ToolCenterUpLayer + ToolCenterDownLayer (legacy support) |
| ToolCenterUpLayer | String | IV_TOOL_CENTER | |
| ToolCenterDownLayer | String | IV_TOOL_CENTER_DOWN | |
| FeatureProfilesLayer | String | IV_FEATURE_PROFILES | FeatureProfilesUpLayer + FeatureProfilesDownLayer (legacy support) |
| FeatureProfilesUpLayer | String | IV_FEATURE_PROFILES | |
| FeatureProfilesDownLayer | String | IV_FEATURE_PROFILES_DOWN | |
| AltRepFrontLayer | String | IV_ALTREP_FRONT | |
| AltRepBackLayer | String | IV_ALTREP_BACK | |
| UnconsumedSketchesLayer | String | IV_UNCONSUMED_SKETCHES | |
| TangentRollLinesLayer | String | IV_ROLL_TANGENT | |
| RollLinesLayer | String | IV_ROLL | |
| ***Color | String | | *** indicates name of layer from the argument column. RGB values separated by ;. Example: TangentLayerColor=255;0;0 |
| ***LineType | Long | | *** indicates name of layer from the argument column. Long value from LineTypeEnum. Example: TangentLayerLineType=37644 |
| ***LineWeight | Double | | *** indicates name of layer from the argument column. Value in centimeters. Example: TangentLayerLineWeight=.1016 |
| CustomizeFilename | String | | |
| AcadVersion | String | | 2018, 2013, 2010, 2007, 2004, 2000, or R12 (for DXF only) |
| SimplifySplines | Boolean | True | Enable spline replacement(by linear segments or arcs). |
| SplineTolerance | Double | 0.01 | Chord tolerance for spline replacement |
| AdvancedLegacyExport | Boolean | True | |
| MergeProfilesIntoPolyline | Boolean | False | Build a polyline of the exterior profiles |
| RebaseGeometry | Boolean | False | Move geometry to 1st quadrant |
| InvisibleLayers | String | | List of layer names to make invisible, separated by ; |
| TrimCenterlinesAtContour | Boolean | False | Trim the centerlines at contour. |
| SimplifyAsTangentArcs | Boolean | False | True: Replace splines by tangent arcs. False: Replace splines by line segments. The SimplifySplines should be specified to True otherwise this option is ignored. |