[Geometric constraints] can be applied onto the sketch design in Draftsight, making it familiar to the workflow in Solidworks.
Coincident: Defines a coincident geometric constraint to two points on entities or constrains a point on an entity to an entity.
Collinear: Causes Lines and linear PolyLine segments to be collinear.
Concentric: Causes the center points of Arcs, Circles, Ellipses, or elliptical Arcs to coincide.
Equal: Constrains Lines to the same length, or Arcs and Circles to the same radius.
Fix: Causes points on entities and entities to maintain fixed positions.
Horizontal: Causes Lines and linear PolyLine segments or pairs of points on entities to be parallel to the X-axis of the current coordinate system.
Perpendicular: Causes two Lines or linear PolyLine segments to be perpendicular to each other.
Parallel: Causes two Lines or linear PolyLine segments to be parallel to each other.
Tangent: Causes one entity to be tangent to another.
Smooth: Causes a Spline to constitute fluid geometric continuity with another Spline, Arc, Line, or PolyLine.
Symmetric: Causes two entities or constraint points on entities to lie symmetrically with respect to a symmetry line.
Vertical: Causes Lines and linear PolyLine segments or pairs of points on entities to be parallel to the Y-axis of the current coordinate system.
[Dimensional Constraints] can also be defined to control the distance values for entities or between constraint points on entities. The following options are available:
Aligned: Constrains the direct distance between two points on entities.
Angular: Constrains the angle between three constraint points on entities or between two Lines or PolyLine segments, or to constrain the total angle of an Arc or curved PolyLine segment.
Diameter: Constrains the diameter of a Circle, Arc, or curved PolyLine segment.
Horizontal: Constrains the horizontal distance between two points on entities.
Linear: Constrains the horizontal or vertical distance between two defining points on entities.
Radial: Constrains the radius of a Circle, Arc, or curved PolyLine segment.
Vertical: Constrains the vertical distance between two points on entities.