model-a/components/screen_pillars.py

85 lines
1.9 KiB
Python

from utils import extrude_shape, punch_hole
import cadquery as cq
elements = None
bottom_holes = None
# These are set from dimensions.py
pillar_width = 0
pillar_height = 0
screw_head_radius = 0
screw_head_depth = 0
screw_radius = 0
def init(positions, thickness):
"""Because these need to match in multiple models, we create the
elemments dynamically"""
global elements, bottom_holes
elements = [
{
"x": 0,
"y": 0,
"shape": cq.Sketch()
.push(positions)
.trapezoid(pillar_width, pillar_height, 90, mode="a"),
"height": thickness,
}
]
bottom_holes = [
{
"x": 0,
"y": 0,
"shape": cq.Sketch().push(positions).circle(screw_head_radius, mode="a"),
"depth": screw_head_depth,
},
{
"x": 0,
"y": 0,
"shape": cq.Sketch().push(positions).circle(screw_radius, mode="a"),
"depth": 100,
},
]
def add(
*,
model,
width,
height,
thickness,
offset_x,
offset_y,
bottom_face,
back_face,
shell_t
):
if bottom_face:
# Mounting pillars
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),
)
# Screw holes
for hole in bottom_holes:
model = punch_hole(
model=model,
face=bottom_face,
w=width,
h=height,
x_offset=offset_x,
y_offset=shell_t + offset_y,
hole=hole,
depth=hole["depth"],
)
return model