Cosplay/nhf/touhou/houjuu_nue/trident.py

import math
import cadquery as Cq
from nhf import Material, Role
from nhf.parts.handle import Handle

def trident_assembly(
        handle: Handle,
        handle_segment_length: float = 24*25.4,
        terminal_height=100):
    def segment():
        return handle.segment(handle_segment_length)

    terminal = (
        handle
        .one_side_connector(height=terminal_height)
        .faces(">Z")
        .hole(15, terminal_height + handle.insertion_length - 10)
    )
    mat_c = Material.PLASTIC_PLA
    mat_i = Material.RESIN_TOUGH_1500
    mat_s = Material.ACRYLIC_BLACK
    role_i = Role.CONNECTION
    role_c = Role.CONNECTION
    role_s = Role.STRUCTURE
    assembly = (
        Cq.Assembly()
        .addS(handle.insertion(), name="i0",
              material=mat_i, role=role_i)
        .constrain("i0", "Fixed")
        .addS(segment(), name="s1",
              material=mat_s, role=role_s)
        .constrain("i0?rim", "s1?mate1", "Plane", param=0)
        .addS(handle.insertion(), name="i1",
              material=mat_i, role=role_i)
        .addS(handle.connector(), name="c1",
              material=mat_c, role=role_c)
        .addS(handle.insertion(), name="i2",
              material=mat_i, role=role_i)
        .constrain("s1?mate2", "i1?rim", "Plane", param=0)
        .constrain("i1?mate", "c1?mate1", "Plane")
        .constrain("i2?mate", "c1?mate2", "Plane")
        .addS(segment(), name="s2",
              material=mat_s, role=role_s)
        .constrain("i2?rim", "s2?mate1", "Plane", param=0)
        .addS(handle.insertion(), name="i3",
              material=mat_i, role=role_i)
        .constrain("s2?mate2", "i3?rim", "Plane", param=0)
        .addS(handle.one_side_connector(), name="head",
              material=mat_c, role=role_c)
        .constrain("i3?mate", "head?mate", "Plane")
        .addS(terminal, name="terminal",
              material=mat_c, role=role_c)
        .constrain("i0?mate", "terminal?mate", "Plane")
    )
    return assembly.solve()