Optimize angle joint geometry; Mirror stub

nhf/touhou/yasaka_kanako/__init__.py

@@ -2,12 +2,14 @@ from dataclasses import dataclass, field
 import cadquery as Cq
 from nhf.build import Model, TargetKind, target, assembly, submodel
 import nhf.touhou.yasaka_kanako.onbashira as MO
+import nhf.touhou.yasaka_kanako.mirror as MM
 import nhf.utils
 
 @dataclass
 class Parameters(Model):
 
     onbashira: MO.Onbashira = field(default_factory=lambda: MO.Onbashira())
+    mirror: MM.Mirror = field(default_factory=lambda: MM.Mirror())
 
     def __post_init__(self):
         super().__init__(name="yasaka-kanako")
@@ -15,6 +17,9 @@ class Parameters(Model):
     @submodel(name="onbashira")
     def submodel_onbashira(self) -> Model:
         return self.onbashira
+    @submodel(name="mirror")
+    def submodel_mirror(self) -> Model:
+        return self.mirror
 
 
 if __name__ == '__main__':

nhf/touhou/yasaka_kanako/mirror.py

@@ -0,0 +1,43 @@
+from dataclasses import dataclass, field
+import cadquery as Cq
+from nhf.build import Model, TargetKind, target, assembly, submodel
+import nhf.touhou.yasaka_kanako.onbashira as MO
+import nhf.utils
+
+@dataclass
+class Mirror(Model):
+    """
+    Kanako's mirror, made of three levels.
+    """
+    width: float = 50.0
+    height: float = 70.0
+
+    wall_thickness: float = 10.0
+
+    @target(name="core", kind=TargetKind.DXF)
+    def profile_core(self) -> Cq.Sketch:
+        return Cq.Sketch().ellipse(self.width/2, self.height/2)
+
+    @target(name="casing-bot", kind=TargetKind.DXF)
+    def profile_casing(self) -> Cq.Sketch:
+        """
+        Base of the casing with no holes carved out
+        """
+        dx = self.wall_thickness
+        return (
+            Cq.Sketch()
+            .ellipse(self.width/2+dx, self.height/2+dx)
+        )
+    @target(name="casing-top", kind=TargetKind.DXF)
+    def profile_casing_top(self) -> Cq.Sketch:
+        """
+        Base of the casing with no holes carved out
+        """
+        return (
+            self.profile_casing()
+            .ellipse(self.width/2, self.height/2, mode="s")
+        )
+
+    @assembly()
+    def assembly(self) -> Cq.Assembly:
+        pass

nhf/touhou/yasaka_kanako/onbashira.py

@@ -277,10 +277,10 @@ class Onbashira(Model):
                 self.side_width,
                 self.n_side
             )
-            .regularPolygon(
-                self.side_width_inner,
-                self.n_side, mode="s",
-            )
+            #.regularPolygon(
+            #    self.side_width_inner,
+            #    self.n_side, mode="s",
+            #)
         )
         slot = (
             Cq.Workplane()
@@ -476,6 +476,7 @@ class Onbashira(Model):
             )
         return a
 
+    @assembly()
     def assembly(self) -> Cq.Assembly:
         a = Cq.Assembly()
         a = (