Eiki epaulette

nhf/materials.py

@@ -84,6 +84,7 @@ class Material(Enum):
     ACRYLIC_TRANSLUSCENT = 1.18, _color('ivory2', 0.8)
     ACRYLIC_TRANSPARENT = 1.18, _color('ghostwhite', 0.5)
     STEEL_SPRING = 7.8, _color('gray', 0.8)
+    METAL_BRASS = 8.5, _color('gold1', 0.8)
 
     def __init__(self, density: float, color: Cq.Color):
         self.density = density
@@ -116,6 +117,9 @@ def add_with_material_role(
 Cq.Assembly.addS = add_with_material_role
 
 def color_by_material(self: Cq.Assembly) -> Cq.Assembly:
+    """
+    Set colours in an assembly by material
+    """
     for _, a in self.traverse():
         if KEY_MATERIAL not in a.metadata:
             continue
@@ -123,6 +127,9 @@ def color_by_material(self: Cq.Assembly) -> Cq.Assembly:
     return self
 Cq.Assembly.color_by_material = color_by_material
 def color_by_role(self: Cq.Assembly, avg: bool = True) -> Cq.Assembly:
+    """
+    Set colours in an assembly by role
+    """
     for _, a in self.traverse():
         if KEY_ROLE not in a.metadata:
             continue

nhf/touhou/shiki_eiki/__init__.py

@@ -11,7 +11,8 @@ class Parameters(Model):
 
     rod: MR.Rod = field(default_factory=lambda: MR.Rod())
     crown: MC.Crown = field(default_factory=lambda: MC.Crown())
-    epaulette: ME.Epaulette = field(default_factory=lambda: ME.Epaulette())
+    epaulette_ze: ME.Epaulette = field(default_factory=lambda: ME.Epaulette(side="ze"))
+    epaulette_hi: ME.Epaulette = field(default_factory=lambda: ME.Epaulette(side="hi"))
 
     def __post_init__(self):
         super().__init__(name="shiki-eiki")
@@ -22,9 +23,12 @@ class Parameters(Model):
     @submodel(name="crown")
     def submodel_crown(self) -> Model:
         return self.crown
-    @submodel(name="epaulette")
+    @submodel(name="epaulette_ze")
-    def submodel_epaulette(self) -> Model:
+    def submodel_epaulette_ze(self) -> Model:
-        return self.epaulette
+        return self.epaulette_ze
+    @submodel(name="epaulette_hi")
+    def submodel_epaulette_hi(self) -> Model:
+        return self.epaulette_hi
 
 
 if __name__ == '__main__':

nhf/touhou/shiki_eiki/crown.py

@@ -17,6 +17,10 @@ class Crown(Model):
 
     margin: float = 10.0
 
+    thickness: float = 0.4 # 26 Gauge
+
+    material: Material = Material.METAL_BRASS
+
     def __post_init__(self):
         super().__init__(name="crown")
 
@@ -30,7 +34,7 @@ class Crown(Model):
         return self.tilt_circ / self.facets
 
     @target(name="side")
-    def profile_base(self) -> Cq.Sketch:
+    def profile_side(self) -> Cq.Sketch:
         # Generate the pentagonal shape
 
         dx_l = self.facet_width_lower
@@ -204,7 +208,7 @@ class Crown(Model):
         )
 
         return (
-            self.profile_base()
+            self.profile_side()
             .boolean(window.moved(window_p1), mode='s')
             .boolean(window.moved(window_p1.flip_x()), mode='s')
             .boolean(window.moved(window_p2), mode='s')
@@ -292,3 +296,49 @@ class Crown(Model):
                 .bezier([p.flip_x().to2d_pos() for p in bezier_group])
             )
         return sketch.assemble()
+
+    def assembly(self) -> Cq.Assembly:
+        front = (
+            Cq.Workplane('XY')
+            .placeSketch(self.profile_front())
+            .extrude(self.thickness)
+        )
+        side = (
+            Cq.Workplane('XY')
+            .placeSketch(self.profile_side())
+            .extrude(self.thickness)
+        )
+        side_guard = (
+            Cq.Workplane('XY')
+            .placeSketch(self.profile_side_guard())
+            .extrude(self.thickness)
+        )
+        assembly = (
+            Cq.Assembly()
+            .addS(
+                front,
+                name="front",
+                material=self.material,
+                role=Role.DECORATION,
+            )
+        )
+        for i, pos in enumerate([-2, -1, 1, 2]):
+            x = self.facet_width_upper * pos
+            assembly = (
+                assembly
+                .addS(
+                    side,
+                    name=f"side{i}",
+                    material=self.material,
+                    role=Role.DECORATION,
+                    loc=Cq.Location.from2d(x, 0),
+                )
+                .addS(
+                    side_guard,
+                    name=f"guard{i}",
+                    material=self.material,
+                    role=Role.DECORATION,
+                    loc=Cq.Location(x, 0, self.thickness),
+                )
+            )
+        return assembly

nhf/touhou/shiki_eiki/epaulette.py

@@ -1,5 +1,6 @@
 import math
 from dataclasses import dataclass, field
+from pathlib import Path
 import cadquery as Cq
 from nhf import Material, Role
 from nhf.build import Model, target, assembly
@@ -8,5 +9,28 @@ import nhf.utils
 @dataclass
 class Epaulette(Model):
 
+    side: str
+    diam: float = 100.0
+    thickness_brass: float = 0.4 # 26 Gauge
+    thickness_fabric: float = 0.3
+    material: Material = Material.METAL_BRASS
+
     def __post_init__(self):
-        super().__init__(name="epaulette")
+        super().__init__(name=f"epaulette-{self.side}")
+
+    def surface(self) -> Cq.Solid:
+        path = Path(__file__).resolve().parent / f"epaulette-{self.side}.dxf"
+        return (
+            Cq.importers.importDXF(path).wires().toPending().extrude(self.thickness_brass)
+        )
+    def assembly(self) -> Cq.Assembly:
+        assembly = (
+            Cq.Assembly()
+            .addS(
+                self.surface(),
+                name="surface",
+                material=self.material,
+                role=Role.DECORATION,
+            )
+        )
+        return assembly

nhf/touhou/shiki_eiki/rod.py

@@ -14,6 +14,9 @@ class Rod(Model):
     width_tail: float = 60.0
     margin: float = 10.0
 
+    thickness_top: float = 25.4 / 4
+    thickness_side: float = 25.4 / 8
+
     # counted from middle to the bottom
     fac_bar_top: float = 0.1
     # counted from bottom to top
@@ -23,6 +26,8 @@ class Rod(Model):
     fac_window_footer_bot: float = 0.33
     fac_window_footer_top: float = 0.59
 
+    material_shell: Material = Material.WOOD_BIRCH
+
     def __post_init__(self):
         super().__init__(name="rod")
         self.loc_core = Cq.Location.from2d(self.length - self.length_tip, 0)
@@ -279,7 +284,7 @@ class Rod(Model):
 
 
     @target(name="surface")
-    def top_profile(self) -> Cq.Sketch:
+    def profile_top(self) -> Cq.Sketch:
         sketch = (
             Cq.Sketch()
             .polygon([
@@ -302,9 +307,22 @@ class Rod(Model):
         )
         return sketch
 
+    def surface_top(self) -> Cq.Workplane:
+        return (
+            Cq.Workplane('XZ')
+            .placeSketch(self.profile_top())
+            .extrude(self.thickness_top)
+        )
+
     @assembly()
     def assembly(self) -> Cq.Assembly:
         a = (
             Cq.Assembly()
+            .addS(
+                self.surface_top(),
+                name="top",
+                material=self.material_shell,
+                role=Role.STRUCTURE | Role.DECORATION
+            )
         )
         return a

nhf/touhou/shiki_eiki/zehi.svg

@@ -0,0 +1,139 @@
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