109 lines
2.8 KiB
Python
109 lines
2.8 KiB
Python
import cadquery as cq
|
|
from cadquery import exporters
|
|
|
|
from modelo import mounting_pillar_positions, shell_t, width
|
|
from utils import hex_vents, punch_hole, extrude_shape2
|
|
|
|
# Dimensions for countersunk M4 screws
|
|
m4_top = 9
|
|
m4_bottom = 4
|
|
|
|
|
|
lip_thickness = 1.5
|
|
# Position of pillar + shell_t + pillar "radius" + lip
|
|
height = max([y for _, y in mounting_pillar_positions]) + 6 + shell_t + lip_thickness
|
|
thickness = shell_t
|
|
front_lip = 8
|
|
|
|
|
|
def model():
|
|
# Create the basic shape of the case bottom.
|
|
model = (
|
|
cq.Workplane("XY")
|
|
# Hollow box
|
|
.box(width, height, thickness)
|
|
.edges("|Z and >Y")
|
|
.fillet(2)
|
|
)
|
|
|
|
# Make many holes
|
|
vent = hex_vents(size=6, width=width * 0.9, height=height * 0.9)[0]
|
|
model = punch_hole(
|
|
model=model,
|
|
face=">Z",
|
|
w=width,
|
|
h=height,
|
|
x_offset=0.05 * width,
|
|
y_offset=0.05 * height,
|
|
hole=vent,
|
|
depth=thickness,
|
|
)
|
|
|
|
# Add screw holes
|
|
for position in mounting_pillar_positions:
|
|
model = (
|
|
model.faces(">Z")
|
|
.workplane(centerOption="CenterOfBoundBox")
|
|
.center(-width / 2 + position[0], height / 2 - position[1] - shell_t)
|
|
.placeSketch(cq.Sketch().circle(m4_top / 2 + 1.5))
|
|
.extrude(-thickness)
|
|
.faces(">Z")
|
|
.workplane(centerOption="CenterOfBoundBox")
|
|
.center(-width / 2 + position[0], height / 2 - position[1] - shell_t)
|
|
.cskHole(m4_bottom, m4_top, 82, depth=None)
|
|
)
|
|
|
|
# Add front lip
|
|
|
|
model = (
|
|
model.faces(">Z")
|
|
.workplane(centerOption="CenterOfBoundBox")
|
|
.center(0, -height / 2 + lip_thickness / 2)
|
|
.placeSketch(cq.Sketch().trapezoid(width - 2 * shell_t, lip_thickness, 90))
|
|
.extrude(-front_lip - thickness)
|
|
)
|
|
|
|
return model
|
|
|
|
|
|
def decorative_cover():
|
|
model = cq.Workplane("XY").box(10, height, 1).edges("|Z").fillet(1)
|
|
vent = hex_vents(size=6, width=width * 0.9, height=height * 0.9, density=0.775)[0]
|
|
|
|
model = extrude_shape2(
|
|
model=model,
|
|
face=">Z",
|
|
w=width,
|
|
h=height,
|
|
x_offset=0.05 * width,
|
|
y_offset=0.05 * height,
|
|
hole=vent,
|
|
depth=3,
|
|
)
|
|
return model
|
|
|
|
|
|
if __name__ == "__main__":
|
|
model = model()
|
|
exporters.export(model, "lid.stl")
|
|
|
|
cover = decorative_cover()
|
|
exporters.export(cover, "lid_cover.stl")
|
|
|
|
exporters.export(
|
|
model,
|
|
"lid.svg",
|
|
opt={
|
|
"projectionDir": (0, 0, 1),
|
|
},
|
|
)
|
|
|
|
exporters.export(
|
|
model.faces(">X").workplane(offset=-width / 2).split(keepTop=True),
|
|
"right_side_lid.stl",
|
|
)
|
|
exporters.export(
|
|
model.faces(">X").workplane(offset=-width / 2).split(keepBottom=True),
|
|
"left_side_lid.stl",
|
|
)
|