cosplay: Touhou/Houjuu Nue #4
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@ -28,6 +28,10 @@ class HirthJoint:
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def tooth_angle(self):
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return 360 / self.n_tooth
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@property
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def total_height(self):
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return self.base_height + self.tooth_height
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def generate(self, is_mated=False, tol=0.01):
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"""
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@ -97,7 +101,7 @@ class HirthJoint:
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)
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return result
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def assembly(self):
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def assembly(self, offset: int = 1):
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"""
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Generate an example assembly
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"""
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@ -118,7 +122,7 @@ class HirthJoint:
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self.generate(is_mated=True)
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.union(tab)
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)
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angle = 1 * self.tooth_angle
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angle = offset * self.tooth_angle
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result = (
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Cq.Assembly()
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.add(obj1, name="obj1", color=Role.PARENT.color)
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@ -32,7 +32,7 @@ shoulder, elbow, wrist in analogy with human anatomy.
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from dataclasses import dataclass, field
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import unittest
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import cadquery as Cq
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from nhf import Material
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from nhf import Material, Role
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from nhf.build import Model, TargetKind, target
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from nhf.parts.joints import HirthJoint
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from nhf.parts.handle import Handle
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@ -194,18 +194,6 @@ class Parameters(Model):
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coupling, a cylindrical base, and a mounting base.
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"""
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hirth = self.hs_hirth_joint.generate()
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#hirth = (
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# hirth
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# .faces("<Z")
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# .workplane()
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# .transformed(
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# offset=Cq.Vector(0, 0, -self.hs_joint_ring_thickness / 2),
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# rotate=Cq.Vector(90, 0, 0))
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# # This hole will drill only to the centre and not through. This is
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# # intended.
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# .hole(5)
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# .val()
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#)
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conn = self.hs_joint_harness_conn()
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result = (
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Cq.Workplane('XY')
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@ -214,6 +202,7 @@ class Parameters(Model):
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self.hs_joint_base_width,
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self.hs_joint_base_thickness,
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centered=(True, True, False))
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.translate((0, 0, -self.hs_joint_base_thickness))
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.edges("|Z")
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.fillet(self.hs_joint_corner_fillet)
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.faces(">Z")
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@ -224,11 +213,13 @@ class Parameters(Model):
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cboreDiameter=self.hs_joint_corner_cbore_diam,
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cboreDepth=self.hs_joint_corner_cbore_depth)
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)
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# Creates a plane parallel to the holes but shifted to the base
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plane = result.faces(">Z").workplane(offset=-self.hs_joint_base_thickness)
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for i, (px, py) in enumerate(conn):
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(
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plane
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.moveTo(px, py)
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.pushPoints([(px, py)])
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.circle(1, forConstruction='True')
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.edges()
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.tag(f"h{i}")
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@ -237,7 +228,7 @@ class Parameters(Model):
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result
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.faces(">Z")
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.workplane()
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.union(hirth.translate((0, 0, self.hs_joint_base_thickness)), tol=0.1)
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.union(hirth, tol=0.1)
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.clean()
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)
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result = (
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@ -304,34 +295,49 @@ class Parameters(Model):
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# Assemblies #
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######################
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def trident_assembly(self):
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return MT.trident_assembly(self.trident_handle)
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def harness_assembly(self):
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harness = self.harness()
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result = (
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Cq.Assembly()
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.add(harness, name="harness", color=Material.WOOD_BIRCH.color)
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.constrain("harness", "Fixed")
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.add(harness, name="base", color=Material.WOOD_BIRCH.color)
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.constrain("base", "Fixed")
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)
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for name in ["l1", "l2", "l3", "r1", "r2", "r3"]:
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j = self.hs_joint_parent()
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(
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result
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.add(j, name=f"hs_{name}", color=Material.PLASTIC_PLA.color)
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#.constrain(f"harness?{name}", f"hs_{name}p?mate", "Point")
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.constrain("harness?mount", f"hs_{name}?base", "Axis")
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.add(j, name=name, color=Role.PARENT.color)
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.constrain("base?mount", f"{name}?base", "Axis")
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)
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for i in range(4):
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result.constrain(f"harness?{name}_{i}", f"hs_{name}?h{i}", "Point")
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angle = 6 * self.hs_hirth_joint.tooth_angle
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(
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result.add(self.wing_root(), name="w0_r1", color=Material.PLASTIC_PLA.color)
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.constrain("w0_r1?mate", "hs_r1?mate", "Plane")
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.constrain("w0_r1?directrix", "hs_r1?directrix", "Axis", param=angle)
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)
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result.constrain(f"base?{name}_{i}", f"{name}?h{i}", "Point")
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result.solve()
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return result
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def trident_assembly(self):
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return MT.trident_assembly(self.trident_handle)
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def wings_assembly(self):
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"""
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Assembly of harness with all the wings
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"""
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a_tooth = self.hs_hirth_joint.tooth_angle
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result = (
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Cq.Assembly()
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.add(self.harness_assembly(), name="harness", loc=Cq.Location((0, 0, 0)))
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.add(self.wing_root(), name="w0_r1")
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.add(self.wing_root(), name="w0_l1")
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.constrain("harness/base", "Fixed")
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.constrain("w0_r1/joint?mate", "harness/r1?mate", "Plane")
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.constrain("w0_r1/joint?directrix", "harness/r1?directrix",
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"Axis", param=7 * a_tooth)
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.constrain("w0_l1/joint?mate", "harness/l1?mate", "Plane")
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.constrain("w0_l1/joint?directrix", "harness/l1?directrix",
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"Axis", param=-1 * a_tooth)
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.solve()
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)
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return result
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if __name__ == '__main__':
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@ -18,13 +18,16 @@ class Test(unittest.TestCase):
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self.assertLess(bbox.xlen, 255, msg=msg)
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self.assertLess(bbox.ylen, 255, msg=msg)
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self.assertLess(bbox.zlen, 255, msg=msg)
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def test_wings(self):
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def test_wing_root(self):
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p = M.Parameters()
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p.wing_root()
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def test_harness(self):
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def test_wings_assembly(self):
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p = M.Parameters()
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p.wings_assembly()
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def test_harness_assembly(self):
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p = M.Parameters()
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p.harness_assembly()
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def test_trident(self):
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def test_trident_assembly(self):
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p = M.Parameters()
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assembly = p.trident_assembly()
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bbox = assembly.toCompound().BoundingBox()
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@ -4,6 +4,7 @@ This file describes the shapes of the wing shells. The joints are defined in
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"""
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import math
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import cadquery as Cq
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from nhf import Material, Role
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from nhf.parts.joints import HirthJoint
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def wing_root_profiles(
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@ -125,7 +126,7 @@ def wing_root_profiles(
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def wing_root(joint: HirthJoint,
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bolt_diam: int = 12):
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bolt_diam: int = 12) -> Cq.Assembly:
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"""
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Generate the contiguous components of the root wing segment
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"""
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@ -192,11 +193,12 @@ def wing_root(joint: HirthJoint,
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.faces("<Z")
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.hole(bolt_diam)
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)
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color = Material.PLASTIC_PLA.color
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result = (
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result
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.union(j.translate((0, 0, -10)))
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#.union(Cq.Solid.makeCylinder(57, 5).moved(Cq.Location((0, 0, -10))))
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.union(Cq.Solid.makeCylinder(20, 5).moved(Cq.Location((0, 0, -10))))
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.clean()
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Cq.Assembly()
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.add(result, name="scaffold", color=color)
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.add(j, name="joint", color=Role.CHILD.color,
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loc=Cq.Location((0, 0, -joint.total_height)))
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)
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return result
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Reference in New Issue