91 lines
2.3 KiB
Python
91 lines
2.3 KiB
Python
import cadquery2 as cq
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from cadquery2 import exporters
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from parameters import *
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screen_cutout = (
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cq.Sketch().trapezoid(screen_w, screen_l, 90, mode="a").reset().vertices().fillet(1)
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)
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board_cutout = (
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cq.Sketch().trapezoid(55, 50, 90, mode="a").reset().vertices("<X").fillet(5)
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)
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cable_relief = cq.Sketch().trapezoid(width, 30, 90)
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segment_breaks_top = (
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cq.Sketch()
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.rarray(1, length, 1, 1)
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.trapezoid(width / 3, 35, 110, mode="a")
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.reset()
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.vertices()
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.fillet(5)
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)
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segment_breaks_bottom = (
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cq.Sketch()
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.rarray(1, length, 1, 1)
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.trapezoid(width / 3, 35, 70, mode="a")
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.reset()
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.vertices()
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.fillet(5)
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)
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back_reinforcement = (
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cq.Sketch().trapezoid(width / 2, 15, 90, mode="a").reset().vertices().fillet(2)
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)
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threaded_inserts = cq.Sketch().rarray(width / 8, 0, 4, 1).circle(ti_radius, mode="a")
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# Case for the screen
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case = (
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# Basic filleted box shape
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cq.Workplane("bottom")
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.lineTo(-width, 0)
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.lineTo(-width, height)
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.lineTo(0, height)
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.close()
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.extrude(length)
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.faces(">X")
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.shell(-shell_t)
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.edges("|X")
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.fillet(fillet_s)
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# Cutout visible screen area from top face
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.faces(">Z")
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.workplane(centerOption="CenterOfBoundBox")
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.center((width - screen_w) / 2 - screen_left_margin, 0)
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.placeSketch(screen_cutout)
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.cutBlind(-shell_t)
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# Cutout for segment breaks
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.faces(">Z")
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.workplane(centerOption="CenterOfBoundBox")
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.center(0, length / 2)
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.placeSketch(segment_breaks_top)
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.cutBlind(-1000)
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.center(0, -length)
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.placeSketch(segment_breaks_bottom)
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.cutBlind(-1000)
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# Cutout for the circuit board
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.faces("<Z")
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.workplane(centerOption="CenterOfBoundBox")
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.center(width / 2 - 27.5, 0)
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.placeSketch(board_cutout)
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.cutBlind(-shell_t)
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# Make some room for the ribbon cable
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.faces("<Z[-2]")
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.workplane(centerOption="CenterOfBoundBox")
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.placeSketch(cable_relief)
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.cutBlind(-1)
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# Back reinforcement with holes for threaded inserts
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.faces("<Z")
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.workplane(centerOption="CenterOfBoundBox")
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.placeSketch(back_reinforcement)
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.extrude(1 + 1 + ti_depth - shell_t)
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.faces("<Z")
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.workplane(centerOption="CenterOfBoundBox")
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.placeSketch(threaded_inserts)
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.cutBlind(-ti_depth)
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)
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exporters.export(case, "case.stl")
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