This topic lists the extension constraints:
maxExtension
minBoundaryExtension
minCenterLineExtension
minConcaveCornerExtension
minDualEndOfLineExtension
minDualExtension
minEndOfLineExtension
minEndOfLineEdgeExtension
minExtension
minExtensionEdge
minExtensionOnLongSide
minExtensionToCorner
minInnerVertexProximityExtension
minNeighborExtension
minQuadrupleExtension
minSideExtension
minTouchingDirectionExtension
minViaJointExtension
minWireExtension
oaDummyPolyExtension
Tcl Constraint Commands
Manage Constraints