cq/planter.py

from cadquery import exporters
from cq_warehouse.extensions import Workplane
from cq_warehouse.fastener import *
from cq_warehouse.thread import *
from cqmore.curve import archimedeanSpiral, circle
from cqmore.polygon import regularPolygon, star
from cqmore.polyhedron import polarZonohedra, Polyhedron, superellipsoid
from svg_path import addSvgPath
from svgpathtools import svg2paths
import cadquery as cq
import cqmore

RENDER_TREES = True

Workplane = cqmore.extend(Workplane)
Workplane.addSvgPath = addSvgPath

planter_height = 210
planter_radius = 129

plate_offset = 47
plate_thickness = 3

zonohedra = polarZonohedra(8, 49)

outer_points = [[n * (planter_height / 3.5) for n in vec] for vec in zonohedra.points]
outer_faces = zonohedra.faces
outer_poly = Polyhedron(outer_points, outer_faces)

result = Workplane().polyhedron(*outer_poly)

holder_angle_offset = 67


planter_polygon = result.workplane(offset=-36).makePolygon(
    regularPolygon(
        nSides=4,
        radius=planter_radius - 40,
        thetaStart=holder_angle_offset,
        thetaEnd=360 + holder_angle_offset,
    ),
    forConstruction=True,
)

result = planter_polygon.vertices().sphere(8, combine="cut")

gondor_paths, gondor_attributes = svg2paths(
    "/home/deck/cad_files/svgs/tree_of_gondor_small.svg"
)

gandalf_paths, gandalf_attributes = svg2paths("/home/deck/cad_files/svgs/gandalf.svg")

tolkien_paths, tolkien_attributes = svg2paths("/home/deck/cad_files/svgs/tolkien.svg")

svgs_to_render = [
    (gondor_paths, (95.03, -100, 0), "cut", "YZ"),
    (gondor_paths, (-99, 93.02, 0), "cut", "XZ"),
    (tolkien_paths, (-93.03, -14.5, 85), "cut", "YZ"),
    (tolkien_paths, (-14.5, -95.0, 85), "cut", "XZ"),
]

if RENDER_TREES:
    image_objects = []
    for svg_paths, translate_offsets, combine, planes in svgs_to_render:
        image_objects.append(
            Workplane(planes)
            .center(0, 75)
            .addSvgPath(svg_paths[0])
            .extrude(-2.0)
            .translate(translate_offsets)
        )

    for image_object in image_objects:
        if combine == "cut":
            result = result.cut(image_object, clean=False)
        if combine == "union":
            result = result.union(image_object, clean=False)

cone = cq.Solid.makeCone(planter_radius, 33, planter_height + 95)

result = result.workplane().cut(cone)

result = result.workplane(offset=-40).cylinder(
    planter_height / 1.45, planter_radius * 0.58, combine="cut"
)
result = result.workplane(offset=-16).cylinder(
    planter_height / 2.3, planter_radius / 2.5, combine="cut"
)
result = result.workplane(offset=-5).cylinder(
    planter_height / 2.3, planter_radius / 1.85, combine="cut"
)

result = (
    result.workplane(offset=40)
    .makePolygon(
        regularPolygon(
            nSides=8,
            radius=planter_radius / 2.2,
            thetaStart=holder_angle_offset,
            thetaEnd=360 + holder_angle_offset,
        )
    )
    .extrude(planter_height / 15.5, combine="cut")
)

circle_plate = Workplane().cylinder(
    plate_thickness, planter_radius * 0.538
)  # enough to fit 0.58

# Split this out into a different part
circle_plate = (
    circle_plate.workplane(offset=plate_offset + plate_thickness)
    .makePolygon(
        star(outerRadius=planter_radius / 2, innerRadius=planter_radius / 2.8, n=16),
        forConstruction=True,
    )
    .vertices()
    .cskHole(7, 7, 0.5, depth=None)
    .center(0, 0)
    .makePolygon(
        star(outerRadius=planter_radius / 4.5, innerRadius=planter_radius / 8, n=10),
        forConstruction=True,
    )
    .vertices()
    .cskHole(7, 7, 0.5, depth=None)
)

simple = False

screw = ButtonHeadScrew(
    size="M16-2", fastener_type="iso7380_1", length=10 * MM, simple=simple
)

bottom_radius = planter_radius / 1.85

scaled_screw = screw.scale(0.90)

screw_result = (
    Workplane()
    .makePolygon(star(outerRadius=bottom_radius / 4.5, innerRadius=13, n=8))
    .extrude(8)
    .union(scaled_screw)
)

result = result.workplane(offset=planter_height / 2).cylinder(80, 65, combine="cut")

bottom_polygon = regularPolygon(
    nSides=11,
    radius=bottom_radius,
    thetaStart=holder_angle_offset,
    thetaEnd=360 + holder_angle_offset,
)

result = (
    result.workplane(offset=(planter_height / 2) - 27)
    .makePolygon(bottom_polygon)
    .extrude(10)
)

result = result.workplane(offset=(planter_height / 2) - 15.6).threadedHole(
    screw, 20, simple=simple, fit="Loose"
)

tapered_circle = (
    result.workplane(offset=planter_height / 3.0).circle(30).extrude(10, taper=42)
)
tapered_circle_inner = (
    result.workplane(offset=planter_height / 3.0).circle(20).extrude(10, taper=42)
)

cut_tapered = Workplane().union(tapered_circle).cut(tapered_circle_inner)

result = result.union(cut_tapered)

result = (
    result.workplane(offset=(planter_height / 2) - 25)
    .makePolygon(bottom_polygon)
    .extrude(10)
)

result = result.workplane(offset=(planter_height / 2) - 25).cylinder(
    17, bottom_radius / 3, combine="cut"
)

assembly = cq.Assembly()

assembly.add(screw_result, loc=cq.Location((0, 0, 0)))
assembly.add(result, loc=cq.Location((100, 100, 100)))
assembly.add(circle_plate, loc=cq.Location((-100, -100, -100)))

try:
    show_object(result)
except NameError:
    pass

cq.exporters.export(screw_result, "/home/deck/model_files/planter_screw.step")
cq.exporters.export(result, "/home/deck/model_files/planter.step")
cq.exporters.export(circle_plate, "/home/deck/model_files/planter_plate.step")