5AA design works all around
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cbc847ea42
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@ -20,8 +20,10 @@ parser.add_argument('--extra-height', default=2.0, type=float, help='Extra verti
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parser.add_argument('--thickness', default=3.0, type=float, help='Thickness of material')
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parser.add_argument('--lid', default=0.2, type=float, help='How much extra play to give the lid')
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parser.add_argument('--tooth', default=0.8, type=float, help='How much to round the edges of the teeth')
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parser.add_argument('--flex-granularity', default=1.8, type=float, help='How much space to give a pair of flex lines')
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parser.add_argument('--plug-play', default=0.3, type=float, help='How much smaller to make the plug than the hole')
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parser.add_argument('--flex-width', default=.5, type=float, help='Spacing (in material thickness) between flex lines')
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parser.add_argument('--flex-cut', default=5.0, type=float, help='Length (in material thickness) of flex cuts')
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parser.add_argument('--flex-gap', default=1.0, type=float, help='Gap (in material thickness) between flex cuts')
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parser.add_argument('--plug-play', default=0.8, type=float, help='How much smaller to make the plug than the hole')
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parser.add_argument('--verbose', action='store_true', help='Print computed parameter values')
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args = parser.parse_args()
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assert (args.dimension % 2) == 1
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@ -55,7 +57,7 @@ while not SUITABLE:
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args.plug_inset = args.plug_radius/math.sqrt(3)
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args.interior_edge = args.grid*args.dimension*0.5+args.outside_padding
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args.opening_edge = args.interior_edge-args.thickness
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args.plug_edge = args.opening_edge-args.plug_play
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args.plug_edge = min(args.opening_edge, .5*math.sqrt(3)*args.interior_edge)-args.plug_play
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args.disc_radius = 0.45*(math.sqrt(3)-1)*args.plug_edge+args.plug_inset
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args.exterior_edge = args.interior_edge+2.0*args.thickness
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args.interior_leg = (args.interior_edge-args.horizontal_finger-args.kerf)/2-args.corner_inset
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@ -65,8 +67,8 @@ while not SUITABLE:
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args.wall_leg = (args.interior_edge-args.corner-(2*args.n_hor_fingers-1)*args.horizontal_finger+args.kerf)/2
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args.exterior_slot = (args.interior_edge-args.horizontal_finger+args.kerf)/2
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args.n_ver_fingers = int((args.height+args.extra_height)/args.vertical_finger)
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top_slot = args.extra_height+args.thickness+0.5*args.height
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args.slots = [top_slot, top_slot+10.0]
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top_slot = args.extra_height+args.thickness+0.45*args.height
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args.slots = [top_slot, top_slot+15.0]
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if args.exterior_leg > 2:
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SUITABLE=True
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else:
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@ -210,45 +212,44 @@ def draw_plane(cx, cy, layer):
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def draw_flex(t, h):
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global HOLES
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turtle = svgturtle.SvgTurtle(t.x, t.y)
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al = h/3.0-args.thickness
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bl = (h-args.thickness)/3.0-args.thickness
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nx = int(args.corner/args.flex_granularity)
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dx = args.corner/(2*nx-1)
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for stripe in range(nx):
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gap = args.flex_gap*args.thickness
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ncut = max(int((h-gap) // (args.flex_cut*args.thickness)), 1)
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cut = ((h-gap) / ncut) - gap
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dx = args.flex_width*args.thickness
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nlines = int(args.corner // dx)
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x0 = .5*(args.corner - nlines*dx)
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turtle.forward(x0)
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for line in range(nlines):
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turtle.pendown()
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if (line % 2) == 0:
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turtle.right(90)
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turtle.forward(0.5*al)
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turtle.forward(gap+cut)
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for section in range(ncut-2):
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.forward(gap)
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turtle.pendown()
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turtle.forward(al)
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turtle.forward(gap+2*cut)
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.forward(gap)
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if (ncut % 2) == 0:
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turtle.pendown()
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turtle.forward(al)
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.pendown()
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turtle.forward(0.5*al)
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turtle.forward(gap+cut)
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turtle.penup()
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turtle.left(90)
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turtle.forward(dx)
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else:
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turtle.left(90)
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turtle.forward(args.thickness)
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turtle.pendown()
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turtle.forward(bl)
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if (ncut % 2) == 1:
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turtle.forward(gap+cut)
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for section in range(ncut-1-(ncut % 2)):
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.forward(gap)
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turtle.pendown()
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turtle.forward(bl)
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turtle.forward(gap+2*cut)
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.pendown()
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turtle.forward(bl)
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turtle.penup()
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turtle.forward(args.thickness)
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turtle.forward(gap)
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turtle.right(90)
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turtle.forward(dx)
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turtle.pendown()
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HOLES += '<path d="%s"/>\n' % turtle.to_s()
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def draw_case_h(turtle, h, top):
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