Common hole patterns are straight, staggered, V-shaped and spiral. As shown below.
It can also be a combination of the above four models, such as VV-shaped, staggered + V-shaped, etc. as sown in the figure below.
It is also possible to do the grouping of all the above patterns, as shown in the following figures.
And, there are some more special patterns, such as arc shaped, trapezoid, and so on.
In our user manual, the programming steps for 21 hole arrangements are listed.