added circuit board example

Author: 42sol-eu

docs/assets/examples/example_circuit_board_01.png

@@ -40,11 +40,17 @@ Most of the examples show the builder and algebra modes.
             :link-type: ref
 
 
-    .. grid-item-card:: Canadian Flag blowing in the wind |Builder| |Algebra| 
+    .. grid-item-card:: Circuit Board With Holes |Builder| |Algebra| 
             :img-top: assets/examples/thumbnail_canadian_flag_01.png
             :link: examples-canadian_flag
             :link-type: ref
 
+
+    .. grid-item-card:: Canadian Flag Blowing in The Wind |Builder| |Algebra| 
+            :img-top: assets/examples/thumbnail_circuit_board_01.png
+            :link: examples-circuit_board
+            :link-type: ref
+    
 .. NOTE 01: insert new example thumbnails above this line
 
 .. TODO: Copy this block to add the example thumbnails here
@@ -165,8 +171,8 @@ The builder mode example also generates the SVG file `logo.svg`.
 
 .. _examples-canadian_flag:
 
-Canadian Flag blowing in the wind
---------------------------------
+Canadian Flag Blowing in The Wind
+----------------------------------
 .. image:: assets/examples/example_canadian_flag_01.png
     :align: center
 
@@ -199,6 +205,42 @@ This example also demonstrates building complex lines that snap to existing feat
         :end-before: [End]
 
 
+.. _examples-circuit_board:
+
+
+Circuit Board With Holes
+------------------------
+.. image:: assets/examples/example_circuit_board_01.png
+    :align: center
+
+
+
+This example demonstrates placing holes around a part.
+
+- Builder mode uses `Locations` context to place the positions.
+- Algebra mode uses `product` and `range` to calculate the positions.
+
+
+
+.. dropdown:: More Images
+
+    .. image:: assets/examples/example_circuit_board_02.png
+        :align: center
+
+
+.. dropdown:: |Builder| Reference Implementation (Builder Mode) 
+
+    .. literalinclude:: ../examples/circuit_board.py
+        :start-after: [Code]
+        :end-before: [End]
+    
+.. dropdown:: |Algebra| Reference Implementation (Algebra Mode) 
+
+    .. literalinclude:: ../examples/circuit_board_algebra.py
+        :start-after: [Code]
+        :end-before: [End]
+    
+
 .. NOTE 02: insert new example thumbnails above this line
     
 

docs/assets/examples/example_circuit_board_02.png

@@ -1,34 +1,38 @@
 """
-
-name: circuit_board.py
-by:   Gumyr
-date: September 1st 2022
-
-desc:
-
+name: "circuit_board.py"
+title: "Circuit Board With Holes"
+authors: "Gumyr"
+license: "http://www.apache.org/licenses/LICENSE-2.0"
+created: "2022-09-01"
+modified: "2024-01-27"
+
+description: | 
     This example demonstrates placing holes around a part.
-
-license:
-
-    Copyright 2022 Gumyr
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    
+    - Builder mode uses `Locations` context to place the positions.
+    - Algebra mode uses `product` and `range` to calculate the positions.
+
+has_builder_mode: true
+has_algebra_mode: true
+image_files:
+    - "example_circuit_board_01.png"
+    - "example_circuit_board_02.png"
 """
+
+# [Imports]
 from build123d import *
+from ocp_vscode import *
 
+# [Parameters]
+pcb_length = 70 * MM
+pcb_width = 30 * MM
+pcb_height = 3 * MM
+
+# [Code]
 with BuildPart() as pcb:
     with BuildSketch():
-        Rectangle(70, 30)
+        Rectangle(pcb_length, pcb_width)
+
         for i in range(65 // 5):
             x = i * 5 - 30
             with Locations((x, -15), (x, -10), (x, 10), (x, 15)):
@@ -39,7 +43,7 @@
                 Circle(1, mode=Mode.SUBTRACT)
         with GridLocations(60, 20, 2, 2):
             Circle(2, mode=Mode.SUBTRACT)
-    extrude(amount=3)
+    extrude(amount=pcb_height)
 
-if "show_object" in locals():
-    show_object(pcb.part.wrapped)
+show_object(pcb.part.wrapped)
+# [End]

docs/assets/examples/thumbnail_circuit_board_01.png

@@ -1,15 +1,26 @@
+"""
+for details see `circuit_board.py`
+"""
+# [Imports]
 from itertools import product
 from build123d import *
+from ocp_vscode import show
 
+# [Parameters]
+pcb_length = 70 * MM
+pcb_width = 30 * MM
+pcb_height = 3 * MM
+
+# [Code]
 x_coords = product(range(65 // 5), (-15, -10, 10, 15))
 y_coords = product((30, 35), range(30 // 5 - 1))
 
-pcb = Rectangle(70, 30)
+pcb = Rectangle(pcb_length, pcb_width)
 pcb -= [Pos(i * 5 - 30, y) * Circle(1) for i, y in x_coords]
 pcb -= [Pos(x, i * 5 - 10) * Circle(1) for x, i in y_coords]
 pcb -= [loc * Circle(2) for loc in GridLocations(60, 20, 2, 2)]
 
-pcb = extrude(pcb, 3)
+pcb = extrude(pcb, pcb_height)
 
-if "show_object" in locals():
-    show(pcb)
+show(pcb)
+# [End]