Q. Is there an easy way to make holes (circles) equally spaced apart?
A. Yes, with Equi-Spaced Holes.

Use a construction line as the reference line for the center of the holes.

Next, click on the Geometry drop down menu, select Special Geometries and select Equi-Spaced Holes.

The following option window will be displayed.

Within this window, specify the number of holes or the approximate interval between the holes, and of course, the diameter of the holes.
Enter the values needed for the desired result.
Select the geometry that will be used as reference to locate the equally spaced holes.

Select Finish, to see the final result.

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Janel-Michael Enterprises