Start work on model

v5/pnp_model.py

@@ -0,0 +1,25 @@
+import cadquery as cq
+
+centers = [
+    (-5, 0),
+    (10, 5),
+    (10, -5)
+    ]
+
+plunger = (
+    cq.Workplane("XZ")
+    .polyline([
+        (0, 0),
+        (10, 0),
+        (9.2, 10),
+        (0, 10)
+        ])
+    .close()
+    .revolve()
+    .faces(">Z")
+    .workplane()
+    .pushPoints(centers)
+    .hole(3)
+    )
+
+show_object(plunger)