model-a/components/zero_holder.py

111 lines
2.4 KiB
Python

import cadquery as cq
from utils import extrude_shape, punch_hole, hex_vents
width = 65
height = 30
pillar_height = 7
stand_positions = [(3.5, 3.5), (3.5, 26.5), (61.5, 26.5), (61.5, 3.5)]
stands = (
cq.Sketch().push(stand_positions).circle(3, mode="a").circle(2.65 / 2, mode="s")
)
elements = [
# CPU holder stands
{
"x": 0,
"y": 0,
"shape": stands,
"height": pillar_height,
},
{
"x": 0,
"y": 0,
"shape": cq.Sketch().push(stand_positions).circle(5),
"height": 0,
},
# Perimeter
{
"x": width / 2,
"y": height / 2,
"shape": (
cq.Sketch()
.trapezoid(width, height, 90, mode="a")
.trapezoid(width - 2, height - 2, 90, mode="s")
.vertices()
.fillet(3)
),
"height": 0.2,
},
]
vents = hex_vents(size=3, width=width, height=height)
holes = [
# One hole for everything TODO: improve
{
"x": -width / 2,
"y": 1 + pillar_height,
"shape": cq.Sketch().trapezoid(50, 6, 90, mode="a").vertices().fillet(1),
}
]
def add(
*,
model,
width,
height,
thickness,
offset_x,
offset_y,
bottom_face,
back_face,
shell_t
):
if bottom_face:
# Vents
for vent in vents:
model = punch_hole(
model=model,
face=bottom_face,
w=width,
h=height,
x_offset=offset_x + vent["x"],
y_offset=shell_t + offset_y + vent["y"],
hole=vent,
depth=shell_t,
)
# CPU holder extrusions
for element in elements:
model = extrude_shape(
model=model,
face=bottom_face,
w=width,
h=height,
x_offset=offset_x,
y_offset=shell_t + offset_y,
element=element,
height=-(element["height"] + shell_t),
)
# Holes
if back_face:
for hole in holes:
model = punch_hole(
model=model,
face=back_face,
w=width,
h=thickness,
x_offset=width - offset_x,
y_offset=shell_t,
hole=hole,
depth=shell_t,
)
return model