417 lines
13 KiB
Python
417 lines
13 KiB
Python
import cadquery as cq
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import dimensions as dim
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import components.keyboard as keyboard
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import components.screen_pillars as screen_pillars
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from utils import export
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mounting_pillar_positions = [(x, -y) for x, y in dim.mounting_pillar_positions]
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mounting_pillars = (
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cq.Sketch()
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.push(mounting_pillar_positions)
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.trapezoid(screen_pillars.pillar_height, screen_pillars.pillar_width, 90, mode="a")
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.circle(dim.ti_radius, mode="s")
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.clean()
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)
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def model():
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# Create a 2-part hinged lid
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model = (
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cq.Workplane("XY")
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# Hollow box
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.workplane(offset=-dim.hl_full_thickness / 2)
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.box(dim.width, dim.height, dim.hl_full_thickness)
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.tag("base")
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.edges("|X and >Z and <Y")
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.fillet(10)
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.edges("|X and >Z and >Y")
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.fillet(5)
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.edges("|Z")
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.fillet(2)
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.faces("<Z")
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.shell(-dim.shell_t)
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.faces(">X")
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.workplane()
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.center(
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dim.height / 2 - dim.hl_hinge_offset,
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dim.hl_full_thickness / 2 - dim.hl_hinge_radius,
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)
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.tag("rightSide")
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# Outer surface of the hinge
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.workplaneFromTagged("rightSide")
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.placeSketch(cq.Sketch().circle(dim.hl_hinge_radius))
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.extrude(-dim.hl_hinge_width)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width)
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.placeSketch(cq.Sketch().circle(dim.hl_hinge_radius))
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.extrude(-dim.hl_hinge_width)
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# Cut middle section between the hinges
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.hl_hinge_width)
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.placeSketch(
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cq.Sketch().polygon(
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[
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(-dim.hl_hinge_radius, -dim.hl_hinge_radius),
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(-dim.hl_hinge_radius, 0),
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(-dim.hl_hinge_radius - dim.hl_hinge_slant, dim.hl_hinge_radius),
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(-dim.hl_hinge_slant, dim.hl_hinge_radius),
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(-dim.hl_hinge_slant, dim.hl_hinge_radius - dim.hl_hinge_slant),
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(dim.hl_hinge_radius, dim.hl_hinge_radius - dim.hl_hinge_slant),
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(dim.hl_hinge_radius, -dim.hl_hinge_radius),
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(-dim.hl_hinge_radius, -dim.hl_hinge_radius),
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]
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)
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)
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.cutBlind(-dim.width + 2 * dim.hl_hinge_width - 1)
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# Pillars to attach to base
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.workplaneFromTagged("base")
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.workplane(
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centerOption="CenterOfBoundBox",
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offset=dim.base_thickness - dim.hl_full_thickness / 2,
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)
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.workplaneFromTagged("base")
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.workplane(offset=dim.hl_full_thickness / 2 - dim.shell_t)
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.center(-dim.width / 2, dim.height / 2 - dim.shell_t)
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.placeSketch(mounting_pillars)
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.extrude(-10)
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# Hole for screws
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.workplaneFromTagged("rightSide")
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.placeSketch(cq.Sketch().circle(dim.hl_screw_radius))
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.cutBlind(-dim.hl_hinge_width)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width)
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.placeSketch(cq.Sketch().circle(dim.hl_screw_radius))
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.cutBlind(-dim.hl_hinge_width)
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# Holes for rings & screw heads
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.workplaneFromTagged("rightSide")
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.placeSketch(cq.Sketch().circle(dim.hl_ring_radius))
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.cutBlind(-5)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + 4)
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.placeSketch(cq.Sketch().circle(dim.hl_ring_radius))
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.cutBlind(-5)
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# Split hinge halves
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.faces(">X")
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.hl_hinge_width / 2)
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.placeSketch(
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cq.Sketch().trapezoid(
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dim.hl_hinge_radius * 2 + 1, dim.hl_hinge_radius * 2, 90
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)
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)
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.cutBlind(-1)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.hl_hinge_width)
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.placeSketch(
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cq.Sketch().trapezoid(
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dim.hl_hinge_radius * 2 + 1, dim.hl_hinge_radius * 2, 90
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)
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)
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.cutBlind(-1)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width / 2)
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.placeSketch(
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cq.Sketch().trapezoid(
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dim.hl_hinge_radius * 2 + 1, dim.hl_hinge_radius * 2, 90
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)
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)
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.cutBlind(-1)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width)
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.placeSketch(
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cq.Sketch().trapezoid(
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dim.hl_hinge_radius * 2 + 1, dim.hl_hinge_radius * 2, 90
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)
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)
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.cutBlind(-1)
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# Threaded inserts
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.hl_hinge_width / 2)
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.placeSketch(cq.Sketch().circle(dim.ti_radius))
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.cutBlind(-dim.ti_depth)
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width / 2)
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.placeSketch(cq.Sketch().circle(dim.ti_radius))
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.cutBlind(dim.ti_depth)
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# Split two halves
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# First cut for the right hinge
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.workplaneFromTagged("rightSide")
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.placeSketch(
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cq.Sketch()
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.polygon(
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[
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(0, 0),
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(-dim.hl_hinge_radius - 0.2, 0),
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(-dim.hl_hinge_radius - dim.hl_hinge_slant, dim.hl_hinge_radius),
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(0, dim.hl_hinge_radius),
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(0, 0),
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]
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)
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.polygon(
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[
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(-dim.hl_hinge_radius - 0.2, 0),
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(-dim.hl_hinge_radius - 0.2, -1000),
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(-dim.hl_hinge_radius, -1000),
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(-dim.hl_hinge_radius, 0),
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(-dim.hl_hinge_radius - 0.2, 0),
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]
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)
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.circle(dim.hl_hinge_radius, mode="s")
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)
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.cutBlind(-dim.hl_hinge_width / 2 - 1)
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# Second cut for the right hinge
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.hl_hinge_width / 2)
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.placeSketch(
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cq.Sketch()
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.polygon(
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[
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(0, 0),
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(dim.hl_hinge_radius + 0.2, 0),
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(
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dim.hl_hinge_radius + 0.2 + dim.hl_hinge_slant,
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dim.hl_hinge_radius,
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),
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(0, dim.hl_hinge_radius),
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(0, 0),
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]
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)
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.circle(dim.hl_hinge_radius, mode="s")
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)
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.cutBlind(-dim.hl_hinge_width / 2 - 1)
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# First cut for the left hinge
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width)
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.placeSketch(
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cq.Sketch()
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.polygon(
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[
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(0, 0),
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(dim.hl_hinge_radius + 0.2, 0),
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(
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dim.hl_hinge_radius + 0.2 + dim.hl_hinge_slant,
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dim.hl_hinge_radius,
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),
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(0, dim.hl_hinge_radius),
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(0, 0),
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]
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)
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.circle(dim.hl_hinge_radius, mode="s")
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)
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.cutBlind(-dim.hl_hinge_width / 2 - 1)
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# Second cut for the left hinge
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.workplaneFromTagged("rightSide")
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.workplane(offset=-dim.width + dim.hl_hinge_width / 2)
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.placeSketch(
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cq.Sketch()
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.polygon(
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[
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(0, 0),
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(-dim.hl_hinge_radius - 0.2, 0),
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(-dim.hl_hinge_radius - dim.hl_hinge_slant, dim.hl_hinge_radius),
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(0, dim.hl_hinge_radius),
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(0, 0),
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]
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)
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.polygon(
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[
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(-dim.hl_hinge_radius - 0.2, 0),
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(-dim.hl_hinge_radius - 0.2, -1000),
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(-dim.hl_hinge_radius, -1000),
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(-dim.hl_hinge_radius, 0),
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(-dim.hl_hinge_radius - 0.2, 0),
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]
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)
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.circle(dim.hl_hinge_radius, mode="s")
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)
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.cutBlind(-dim.hl_hinge_width / 2 - 1)
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)
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# Screen mount
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model = (
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# 1st layer
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model.workplaneFromTagged("base")
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.center(0, -32)
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.workplane(offset=dim.hl_full_thickness / 2 - dim.shell_t)
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.tag("screen_plane")
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.placeSketch(
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cq.Sketch()
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.trapezoid(
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dim.scr_w + 2 * dim.hl_bezel_width,
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dim.scr_h + 2 * dim.hl_bezel_height,
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90,
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)
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.vertices()
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.fillet(2)
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)
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.extrude(-2 - dim.scr_thickness)
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# Hole for screws
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.workplaneFromTagged("screen_plane")
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.workplane(offset=1)
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.rect(
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dim.scr_w + 2 * dim.hl_bezel_width - dim.m3_hn_diam - 1,
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dim.scr_h + 2 * dim.hl_bezel_height - dim.m3_hn_diam - 1,
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forConstruction=True,
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)
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.vertices()
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.hole(dim.m3_hn_hole, depth=10)
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# Holes for captured nuts
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.workplaneFromTagged("screen_plane")
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.workplane(offset=1)
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.rect(
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dim.scr_w + 2 * dim.hl_bezel_width - dim.m3_hn_diam - 1,
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dim.scr_h + 2 * dim.hl_bezel_height - dim.m3_hn_diam - 1,
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forConstruction=True,
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)
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.vertices()
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.hole(dim.m3_hn_diam, depth=dim.m3_hn_thickness + 0.5)
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# Remove middle of the screen holder
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.workplaneFromTagged("screen_plane")
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.placeSketch(
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cq.Sketch().trapezoid(
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dim.scr_w - 40,
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dim.scr_h + 2 * dim.hl_bezel_height,
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90,
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)
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)
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.cutBlind(-100)
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# Hole to place screen
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.workplaneFromTagged("screen_plane")
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.workplane(offset=-dim.scr_thickness - 2)
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.placeSketch(cq.Sketch().trapezoid(dim.scr_w, dim.scr_h, 90))
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.cutBlind(dim.scr_thickness)
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)
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# Cut off shape of the base
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model = (
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model.workplaneFromTagged("rightSide")
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.center(
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-dim.height + dim.hl_hinge_offset,
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-dim.hl_full_thickness + dim.hl_hinge_radius,
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)
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.placeSketch(
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cq.Sketch().polygon(
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[
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(0, 0),
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(0, keyboard.kbd_front_thickness),
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(dim.shell_t, keyboard.kbd_front_thickness),
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(keyboard.kbd_actual_height + dim.shell_t, keyboard.kbd_back_thickness),
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(keyboard.kbd_actual_height + dim.shell_t, dim.base_thickness),
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(dim.height, dim.base_thickness),
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(dim.height, 0),
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(0, 0),
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]
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)
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)
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.cutBlind(-1000)
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)
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return model
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def front_bezel():
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model = (
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cq.Workplane("XY")
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# Hollow box
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.tag("base")
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.placeSketch(
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cq.Sketch()
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.trapezoid(
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dim.scr_w + 2 * dim.hl_bezel_width + 2 * dim.hl_bezel_thickness,
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dim.scr_h + 2 * dim.hl_bezel_height + 2 * dim.hl_bezel_thickness,
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90,
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)
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.vertices()
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.fillet(2)
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)
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.extrude(-2 - dim.scr_thickness - dim.hl_bezel_thickness)
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.workplaneFromTagged("base")
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.workplane(offset=-dim.hl_bezel_thickness)
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.placeSketch(
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cq.Sketch()
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.trapezoid(
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dim.scr_w + 2 * dim.hl_bezel_width,
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dim.scr_h + 2 * dim.hl_bezel_height,
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90,
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)
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.vertices()
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.fillet(2)
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)
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.cutBlind(-100)
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# Holes for screws
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.workplaneFromTagged("base")
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.rect(
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dim.scr_w + 2 * dim.hl_bezel_width - dim.m3_hn_diam - 1,
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dim.scr_h + 2 * dim.hl_bezel_height - dim.m3_hn_diam - 1,
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forConstruction=True,
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)
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.vertices()
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.hole(dim.m3_hn_hole, depth=10)
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# Viewport hole
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.workplaneFromTagged("base")
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.placeSketch(
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cq.Sketch()
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.trapezoid(
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dim.vis_w,
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dim.vis_h,
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90,
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)
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.vertices()
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.fillet(2)
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)
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.cutBlind("last")
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# Cable gap
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.workplaneFromTagged("base")
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.workplane(offset=-dim.scr_thickness - dim.hl_bezel_thickness)
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.center(0, 10)
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.placeSketch(
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cq.Sketch()
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.trapezoid(
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dim.vis_w,
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dim.vis_h,
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90,
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)
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.vertices()
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.fillet(2)
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)
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.cutBlind(-10)
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)
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return model
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if __name__ == "__main__":
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model = model()
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export(model, "hinged_lid.stl")
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export(front_bezel(), "hinged_lid_bezel.stl")
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export(
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model,
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"hinged_lid.svg",
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opt={
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"projectionDir": (0, 0, -1),
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"strokeWidth": 0.3,
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},
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)
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offset_width = -dim.width / 2
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right_side = (
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model.faces(">X")
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.workplane(centerOption="CenterOfBoundBox", offset=offset_width)
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.split(keepTop=True)
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)
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export(right_side, "hinged_lid_right.stl")
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left_side = (
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model.faces(">X")
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.workplane(centerOption="CenterOfBoundBox", offset=offset_width)
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.split(keepBottom=True)
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)
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export(left_side, "hinged_lid_left.stl")
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