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Mirror wing geometry

This commit is contained in:
Leni Aniva 2025-05-13 17:20:51 -07:00
parent a684996475
commit 22a4f4ceec
Signed by: aniva
GPG Key ID: D5F96287843E8DFB
2 changed files with 35 additions and 32 deletions
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3
README.md
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@ -3,6 +3,9 @@
This is the design repository for NorCal Hakkero Factory No. 1, where we use This is the design repository for NorCal Hakkero Factory No. 1, where we use
parametric CAD to make cosplay props. parametric CAD to make cosplay props.
> NorCal Hakkero Factory № 1
> 北加国営八卦炉第一工場
## Development ## Development
Most cosplay schematics are created with Blender, CadQuery, and Inkscape. To Most cosplay schematics are created with Blender, CadQuery, and Inkscape. To

64
nhf/touhou/yasaka_kanako/mirror.py
View File

@ -21,7 +21,7 @@ class Mirror(Model):
outer_gap: float = 3.0 outer_gap: float = 3.0
core_thickness: float = 25.4 / 8 core_thickness: float = 25.4 / 8
casing_thickness: float = 25.4 / 16 casing_thickness: float = 25.4 / 8
flange_r0: float = 5.0 flange_r0: float = 5.0
flange_r1: float = 15.0 flange_r1: float = 15.0
@ -61,36 +61,7 @@ class Mirror(Model):
""" """
Base of the casing with no holes carved out Base of the casing with no holes carved out
""" """
return (
Cq.Sketch()
.ellipse(self.width/2, self.height/2)
)
def casing_bot(self) -> Cq.Workplane:
return (
Cq.Workplane()
.placeSketch(self.profile_casing_bot())
.extrude(self.casing_thickness)
)
def profile_wing(self, sign: float=1) -> Cq.Sketch:
xt = self.width / 2 - self.outer_gap
return (
Cq.Sketch()
.polygon([
(sign*xt, self.wing_r1),
(sign*(xt+self.wing_x1), self.wing_r1),
(sign*(xt+self.wing_x1), self.wing_r2),
(sign*(xt+self.wing_x2), self.wing_r2),
(sign*(xt+self.wing_x2), -self.wing_r2),
(sign*(xt+self.wing_x1), -self.wing_r2),
(sign*(xt+self.wing_x1), -self.wing_r1),
(sign*xt, -self.wing_r1),
])
)
@target(name="casing-mid", kind=TargetKind.DXF)
def profile_casing_mid(self) -> Cq.Sketch:
yt = self.height / 2 - self.outer_gap yt = self.height / 2 - self.outer_gap
rx = self.width/2 - self.outer_gap
ry = self.height/2 - self.outer_gap
yh = (self.flange_y1 + self.flange_y2) / 2 yh = (self.flange_y1 + self.flange_y2) / 2
flange = ( flange = (
Cq.Sketch() Cq.Sketch()
@ -124,13 +95,42 @@ class Mirror(Model):
]) ])
) )
return ( return (
self.profile_casing_bot() Cq.Sketch()
.ellipse(rx, ry, mode="s") .ellipse(self.width/2, self.height/2)
.boolean(flange, mode="a") .boolean(flange, mode="a")
.boolean(tail, mode="a") .boolean(tail, mode="a")
.boolean(self.profile_wing(-1), mode="a") .boolean(self.profile_wing(-1), mode="a")
.boolean(self.profile_wing(1), mode="a") .boolean(self.profile_wing(1), mode="a")
) )
def casing_bot(self) -> Cq.Workplane:
return (
Cq.Workplane()
.placeSketch(self.profile_casing_bot())
.extrude(self.casing_thickness)
)
def profile_wing(self, sign: float=1) -> Cq.Sketch:
xt = self.width / 2 - self.outer_gap
return (
Cq.Sketch()
.polygon([
(sign*xt, self.wing_r1),
(sign*(xt+self.wing_x1), self.wing_r1),
(sign*(xt+self.wing_x1), self.wing_r2),
(sign*(xt+self.wing_x2), self.wing_r2),
(sign*(xt+self.wing_x2), -self.wing_r2),
(sign*(xt+self.wing_x1), -self.wing_r2),
(sign*(xt+self.wing_x1), -self.wing_r1),
(sign*xt, -self.wing_r1),
])
)
@target(name="casing-mid", kind=TargetKind.DXF)
def profile_casing_mid(self) -> Cq.Sketch:
rx = self.width/2 - self.outer_gap
ry = self.height/2 - self.outer_gap
return (
self.profile_casing_bot()
.ellipse(rx, ry, mode="s")
)
def casing_mid(self) -> Cq.Workplane: def casing_mid(self) -> Cq.Workplane:
return ( return (
Cq.Workplane() Cq.Workplane()