114 lines
3.0 KiB
Python
114 lines
3.0 KiB
Python
import cadquery2 as cq
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from cadquery2 import exporters
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# Some dimensions copied from modelo.py,
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# TODO refactor into a separate file
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# Thickness of the outer material
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shell_t = 3
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# Size of the kbd board
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kbd_height = 98
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kbd_width = 286
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kbd_angle = 5
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# Size of the whole object
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width = kbd_width + 2 * shell_t
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height = 69
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thickness = 10
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# Visible screen size
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vis_w = 220
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vis_h = 58
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viewport_cutout = cq.Sketch().trapezoid(vis_w, vis_h, 90, mode="a")
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# Whole screen size
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scr_w = 231
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scr_h = 65
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scr_thickness = 5.5
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screen_cutout = cq.Sketch().trapezoid(scr_w, scr_h, 90, mode="a")
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# Circuit board and cable hole.
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# This is in the back of the screen, and is a bit shorter in height than the
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# screen. It's wider so it removes enough material to make the shape simpler.
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board_cutout = cq.Sketch().trapezoid(
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scr_w + 5,
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scr_h - 10,
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90,
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mode="a",
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)
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def model():
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return (
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cq.Workplane("XY")
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.workplane().tag("mid_height")
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.box(width, 59, 62)
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.faces(">Z")
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.transformed(rotate=(45, 0, 0))
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# Move the screen "lower" so it doesn't interfere
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# so much with the back
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.center(0, -2)
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.tag("slanted")
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# Arbitrary huge trapezoid to cut off the material *in front*
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# of the inclined screen
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.placeSketch(cq.Sketch().trapezoid(1000, 1000, 90, mode="a"))
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.cutBlind(1000)
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# Cut off viewport hole so we can see the screen
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.workplaneFromTagged("slanted")
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.placeSketch(viewport_cutout)
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.cutBlind(-shell_t)
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# Make hole for screen assembly so the whole screen fits
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.workplaneFromTagged("slanted")
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.workplane(offset=-shell_t, centerOption="CenterOfBoundBox")
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# Left bezel is wider than right one, so this hole is displaced to the left
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.center(-3, 0)
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.placeSketch(screen_cutout)
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.cutBlind(-scr_thickness)
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# Trim the top
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.workplaneFromTagged("mid_height")
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.workplane(offset=21)
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.placeSketch(cq.Sketch().trapezoid(1000, 1000, 90, mode="a"))
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.cutBlind(100)
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# Make it hollow
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.faces("<Z")
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.shell(-2)
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# Cut hole for the screen board and cables
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.workplaneFromTagged("slanted")
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.workplane(offset=-scr_thickness, centerOption="CenterOfBoundBox")
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.placeSketch(board_cutout)
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.cutBlind(-5)
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# Fillet top of the object
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.edges(">Z and |X").fillet(5)
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)
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exporters.export(model(), "screen_mount.stl")
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left_cutout = cq.Sketch().polygon(
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[(0, 0), (160, 0), (160, -100), (0, -100), (0, 0)],
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mode="a",
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)
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right_side = (
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model()
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.faces("<Z")
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.workplane(centerOption="CenterOfBoundBox", offset=3)
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.center(-width / 2, height / 2)
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.placeSketch(left_cutout)
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.cutBlind(-100)
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)
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exporters.export(right_side, "right_screen_mount.stl")
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left_side = (
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model()
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.faces("<Z")
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.workplane(centerOption="CenterOfBoundBox", offset=3)
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.center(0, height / 2)
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.placeSketch(left_cutout)
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.cutBlind(-100)
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)
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exporters.export(left_side, "left_screen_mount.stl")
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