feat: s0 support in the middle

nhf/parts/box.py

@@ -44,10 +44,7 @@ class MountingBox(Model):
     thickness: float = 1.0
 
     # List of (x, y), diam
-    holes: list[Hole] = field(default_factory=lambda: [
+    holes: list[Hole] = field(default_factory=lambda: [])
-        Hole(x=5, y=5, diam=3),
-        Hole(x=20, y=10, diam=5),
-    ])
     hole_diam: Optional[float] = None
 
     centred: Tuple[bool, bool] = (False, True)

nhf/touhou/houjuu_nue/joints.py

@@ -178,7 +178,7 @@ class RootJoint(Model):
         Specify knob position to determine the position of the knob from fully
         inserted (0) or fully uninserted (1)
         """
-        knob_h = self.total_height + self.child_mount_thickness
+        knob_h = self.hex_nut.thickness
         result = (
             Cq.Assembly()
             .addS(self.parent(), name="parent",

nhf/touhou/houjuu_nue/wing.py

@@ -20,8 +20,8 @@ class WingProfile(Model):
 
     name: str = "wing"
 
-    root_joint: RootJoint = field(default_factory=lambda: RootJoint())
     base_width: float = 80.0
+    root_joint: RootJoint = field(default_factory=lambda: RootJoint())
 
     panel_thickness: float = 25.4 / 16
     spacer_thickness: float = 25.4 / 8
@@ -32,7 +32,7 @@ class WingProfile(Model):
     shoulder_width: float = 36.0
     shoulder_tip_x: float = -260.0
     shoulder_tip_y: float = 165.0
-    shoulder_mid_x: float = -105.0
+    shoulder_mid_x: float = -125.0
     shoulder_mid_y: float = 75.0
 
     s1_thickness: float = 25.0
@@ -95,7 +95,7 @@ class WingProfile(Model):
         assert self.wrist_joint.total_thickness < min(self.s2_thickness, self.s3_thickness)
 
         self.shoulder_joint.angle_neutral = -self.shoulder_angle_neutral - self.shoulder_angle_bias
-        self.shoulder_axle_loc = Cq.Location.from2d(self.shoulder_tip_x, self.shoulder_tip_y - self.shoulder_width / 2, -self.shoulder_angle_bias)
+        self.shoulder_axle_loc = Cq.Location.from2d(self.shoulder_tip_x, self.shoulder_tip_y - self.shoulder_width / 2, self.shoulder_angle_bias)
 
         assert self.spacer_thickness == self.root_joint.child_mount_thickness
 
@@ -193,7 +193,8 @@ class WingProfile(Model):
     @submodel(name="spacer-s0-shoulder")
     def spacer_s0_shoulder(self) -> MountingBox:
         """
-        Should be cut
+        Shoulder side serves double purpose for mounting shoulder joint and
+        structural support
         """
         holes = [
             hole
@@ -215,7 +216,7 @@ class WingProfile(Model):
     @submodel(name="spacer-s0-shoulder")
     def spacer_s0_base(self) -> MountingBox:
         """
-        Should be cut
+        Base side connects to H-S joint
         """
         assert self.root_joint.child_width < self.base_width
         assert self.root_joint.child_corner_dx * 2 < self.base_width
@@ -237,17 +238,40 @@ class WingProfile(Model):
             centred=(True, True),
             flip_y=self.flip,
         )
+    @submodel(name="spacer-s0-mid3")
+    def spacer_s0_mid3(self) -> MountingBox:
+        return MountingBox(
+            length=self.root_height,
+            width=40,
+            thickness=self.spacer_thickness,
+            flip_y=self.flip
+        )
+    @submodel(name="spacer-s0-mid2")
+    def spacer_s0_mid2(self) -> MountingBox:
+        return MountingBox(
+            length=self.root_height,
+            width=60,
+            thickness=self.spacer_thickness,
+            flip_y=self.flip
+        )
 
     def surface_s0(self, top: bool = False) -> Cq.Workplane:
-        base_dx = -(self.base_width - self.root_joint.child_width) / 2
+        base_dx = -(self.base_width - self.root_joint.child_width) / 2 - 10
         base_dy = self.root_joint.hirth_joint.joint_height
         loc_tip = Cq.Location(0, -self.shoulder_joint.parent_lip_width / 2)
+        mid_spacer_loc = (
+            Cq.Location.from2d(0, -self.shoulder_width/2) *
+            self.shoulder_axle_loc *
+            Cq.Location.rot2d(self.shoulder_joint.angle_neutral)
+        )
         tags = [
             ("shoulder",
              self.shoulder_axle_loc *
              self.shoulder_joint.parent_arm_loc() *
              loc_tip),
             ("base", Cq.Location.from2d(base_dx,  base_dy, 90)),
+            ("mid3", mid_spacer_loc * Cq.Location.from2d(90, 0)),
+            ("mid2", mid_spacer_loc * Cq.Location.from2d(150, 0)),
         ]
         result = extrude_with_markers(
             self.profile_s0(),
@@ -279,7 +303,9 @@ class WingProfile(Model):
         )
         for o, tag in [
                 (self.spacer_s0_shoulder().generate(), "shoulder"),
-                (self.spacer_s0_base().generate(), "base")
+                (self.spacer_s0_base().generate(), "base"),
+                (self.spacer_s0_mid3().generate(), "mid3"),
+                (self.spacer_s0_mid2().generate(), "mid2"),
         ]:
             top_tag, bot_tag = "top", "bot"
             if self.flip: