Method and device for creating a pattern figure consisting of pattern points in a workpiece, machining device, and computer program product

A method to create a pattern figure formed of pattern points in a workpiece using a laser device of a machining device, the pattern figure being composed at least from a first pattern and a second pattern that is related to the first pattern, the method comprising:

• reading in first position data which define positions of first pattern points on the workpiece, the first pattern points being associated with a first portion of a polyline of the pattern figure associated with the first pattern;
• setting a first position of the machining device in order to align a scanning field of the laser device onto a first surface of the workpiece provided for introducing the first pattern;
• actuating the laser device to introduce the first pattern points into the first surface of the workpiece using the first position data, while the machining device is in the first position;
• setting a second position in order to align the scanning field of the laser device to a second surface of the workpiece provided for introducing the second pattern;
• detecting a course of an end of the first portion of the polyline adjoining the second surface;
• continuing the course of the end of the first portion of the polyline into the second surface, in order to determine a position of a reference point of a second portion of the polyline associated with the second pattern and arranged in the second surface;
• reading in second position data which define positions of second pattern points on the workpiece, the second pattern points being associated with the second portion of the polyline, an end point of the first pattern points and a starting point of the second pattern points defining a transition of the polyline from the first pattern to the second pattern, and an end point of the second pattern points defining an end of the polyline in the second pattern;
• determining adapted second position data which define positions of the second pattern points on the workpiece, which are adapted to the position of the reference point, the position of the starting point of the second pattern points being replaced with the position of the reference point;
• and
• actuating the laser device for introducing the second pattern points into the second surface of the workpiece using the adapted second position data, while the machining device is in the second position.