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docs: mention selector chaining #2091

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15 changes: 15 additions & 0 deletions doc/selectors.rst
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Expand Up @@ -38,6 +38,21 @@ Selectors can be combined logically, currently defined operators include **and**

result = cq.Workplane("XY").box(2, 2, 2).edges("|Z and >Y").chamfer(0.2)

Selector methods can also be chained. Each selector runs against the objects selected by
the previous step, which is useful when the selection needs to move across shape types.
For example, this selects the top face first and then selects the positive-Y edge of
that face before applying a chamfer:

.. cadquery::

result = (
cq.Workplane("XY")
.box(2, 2, 2)
.faces(">Z")
.edges(">Y")
.chamfer(0.2)
)

Much more complex expressions are possible as well:

.. cadquery::
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