cadquery/monitor/modelo.py

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import cadquery2 as cq
from cadquery2 import exporters
shell_t = 2.5
# width, length VISIBLE WITHIN THE BEZEL
screen_w = 223
screen_l = 57
# Distance from the left of the case to screen cutout
screen_left_margin = 7 + shell_t # (7 is bezel width on that side)
# width, length, height INCLUDING_BEZEL
display_w = 233
display_l = 65
display_h = 5
width = 250
height = display_h + 2 * shell_t + 1
length = display_l + 2 * shell_t + 1
fillet_s = 2
# Distance from the left of the case to display end
display_left_margin = screen_left_margin - 7
# Distance from the right of the case to display end
display_right_margin = width - display_left_margin - display_w
# Distance from the top of the case to display top
display_top_margin = (length - display_l) / 2
display_bottom_margin = display_top_margin # Symmetrical
screen_cutout = (
cq.Sketch().trapezoid(screen_w, screen_l, 90, mode="a").reset().vertices().fillet(1)
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)
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segment_breaks_top = (
cq.Sketch()
.rarray(width / 3, length, 2, 1)
.trapezoid(5, 15, 110, mode="a")
.reset()
.vertices()
.fillet(2)
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)
segment_breaks_bottom = (
cq.Sketch()
.rarray(width / 3, length, 2, 1)
.trapezoid(15, 15, 70, mode="a")
.reset()
.vertices()
.fillet(2)
)
back_reinforcement = (
cq.Sketch().trapezoid(width * 2 / 3, 15, 90, mode="a").reset().vertices().fillet(2)
)
threaded_inserts = cq.Sketch().rarray(width / 6, 0, 4, 1).circle(2.5, mode="a")
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# Holder for the screen (other half of the case)
screen_base = (
# Basic filleted box shape
cq.Workplane("bottom")
.lineTo(-width, 0)
.lineTo(-width, height)
.lineTo(0, height)
.close()
.extrude(length)
.faces("<X")
.shell(-shell_t)
.edges("|X")
.fillet(fillet_s)
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# Cutout visible screen area from top face
.faces(">Z")
.workplane(centerOption="CenterOfBoundBox")
.center((width - screen_w) / 2 - screen_left_margin, 0)
.placeSketch(screen_cutout)
.cutBlind(-shell_t)
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# Cutout for segment breaks
.faces(">Z")
.workplane(centerOption="CenterOfBoundBox")
.center(0, length / 2)
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.placeSketch(segment_breaks_top)
.cutBlind(-1000)
.center(0, -length)
.placeSketch(segment_breaks_bottom)
.cutBlind(-1000)
# Back reinforcement with holes for threaded inserts
.faces("<Z")
.workplane(centerOption="CenterOfBoundBox")
.placeSketch(back_reinforcement)
.extrude(1.5)
.faces("<Z")
.workplane(centerOption="CenterOfBoundBox")
.placeSketch(threaded_inserts)
.cutBlind(-3)
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)
exporters.export(screen_base, "screen_base.stl")