cadquery/notebook_nueva/modelo.py

import cadquery2 as cq
from cadquery2 import exporters

# Base for the notebook. Basically a kbd base that extends back
# as much as possible

# Thickness of the outer material
shell_t = 3

# Size of the kbd board
kbd_height = 98
kbd_width = 286
kbd_angle = 5

# Size of the whole object
width = kbd_width + 2 * shell_t
height = 164  # Max bed size
thickness = 20 + shell_t  # 20 inside

# Insert Positions
ti_radius = 2.35
ti_depth = 6.25

pillars = (
    cq.Sketch()
    .push(
        [
            (19, -16.5),
            (133, -16.5),
            (247.5, -16.5),
            (24, -86),
            (142.5, -91),
            (261.5, -86),
        ]
    )
    .circle(6, mode="a")
    .circle(ti_radius, mode="s")
)

battery_holder = (
    cq.Sketch()
    .polygon(
        [(-67, 5), (0, 5), (0, -12), (-67, -12), (-67, 5)],
        mode="a",
    )
    .trapezoid(83, 83, 90, mode="a")
    .trapezoid(80, 80, 90, mode="s")
    .polygon(
        [(-67, 3), (0, 3), (0, -10), (-67, -10), (-67, 3)],
        mode="s",
    )
)


power_in = cq.Sketch().circle(5, mode="a")
usb_in = cq.Sketch().trapezoid(13, 5.5, 90, mode="a")
switch_in = cq.Sketch().trapezoid(13.5, 8, 90, mode="a")


def model():
    return (
        cq.Workplane("XY")
        .workplane(offset=thickness / 2)
        .tag("mid_height")
        # Hollow box
        .box(width, height, thickness)
        .edges("|Z")
        .fillet(2)
        .faces(">Z")
        .shell(-shell_t)
        # Battery holder
        .workplaneFromTagged("mid_height")
        .center(-width / 2 + shell_t + 65, height / 2 - shell_t - 45)
        .placeSketch(battery_holder)
        .extrude(-height / 2)
        # Power cable inlet
        .faces("<X")
        .workplane(centerOption="CenterOfBoundBox")
        .center(-height / 2 + shell_t + 48.5, -3)
        .placeSketch(power_in)
        .cutBlind(-shell_t)
        # USB inlet
        .faces(">X")
        .workplane(centerOption="CenterOfBoundBox")
        .center(-height / 2 + shell_t + 50, -5)
        .placeSketch(usb_in)
        .cutBlind(-shell_t)
        # Hole for power switch
        .faces(">Y")
        .workplane(centerOption="CenterOfBoundBox")
        .center(-height / 2 + shell_t + 50, 0)
        .placeSketch(switch_in)
        .cutBlind(-shell_t)
        # Slanted mounting pillars on the kbd top
        .faces(">Z")
        .workplane(centerOption="CenterOfBoundBox")
        # Top-left kbd corner inside the box
        .center(-width / 2 + shell_t, kbd_height - height / 2 + shell_t)
        .transformed(rotate=cq.Vector(kbd_angle, 0, 0))
        .tag("sloped")
        .placeSketch(pillars)
        .extrude(-1000)
        # Remove the excess extrusion
        .workplaneFromTagged("mid_height")
        .transformed(offset=cq.Vector(0, 0, -thickness / 2))
        .split(keepTop=True)
        # Slope for the beyboard
        .workplaneFromTagged("sloped")
        .split(keepBottom=True)
    )


left_cutout = cq.Sketch().polygon(
    [(0, 0), (160, 0), (160, -100), (135, -100), (135, -200), (0, -200), (0, 0)],
    mode="a",
)

right_side = (
    model()
    .faces("<Z")
    .workplaneFromTagged("mid_height")
    .transformed(offset=cq.Vector(0, 0, -thickness / 2))
    .center(-width / 2, height / 2)
    .placeSketch(left_cutout)
    .cutBlind(100)
)

exporters.export(right_side, "right_side.stl")

right_cutout = cq.Sketch().polygon(
    [
        (160, 0),
        (width, 0),
        (width, -height),
        (135, -height),
        (135, -100),
        (160, -100),
        (160, 0),
    ],
    mode="a",
)

left_side = (
    model()
    .faces("<Z")
    .workplaneFromTagged("mid_height")
    .transformed(offset=cq.Vector(0, 0, -thickness / 2))
    .center(-width / 2, height / 2)
    .placeSketch(right_cutout)
    .cutBlind(100)
)
exporters.export(left_side, "left_side.stl")

exporters.export(model(), "model.stl")