Browse Source

Draw rounded hexagonal base plate

main
Matthias Neeracher 8 months ago
parent
commit
144f6d951e
1 changed files with 51 additions and 14 deletions
  1. +51
    -14
      battery-case-generator.py

+ 51
- 14
battery-case-generator.py View File

@@ -18,7 +18,7 @@ parser.add_argument('--padding', default=1.5, type=float, help='Padding around h
parser.add_argument('--outside-padding', default=4, type=float, help='Extra padding between holes and wall')
parser.add_argument('--thickness', default=3.0, type=float, help='Thickness of material')
parser.add_argument('--lid', default=0.2, type=float, help='How much extra play to give the lid')
parser.add_argument('--verbose', action='store_true', help='Print computed parameter values')
args = parser.parse_args()
assert (args.dimension % 2) == 1

@@ -46,16 +46,18 @@ args.corner_s = args.corner*args.stretch
args.corner_radius = 3*args.corner_s/math.pi
args.corner_inset = args.corner_s*math.sqrt(3)/math.pi
args.interior_edge = args.grid*args.dimension*0.5+args.outside_padding
args.exterior_edge = args.interior_edge+args.thickness
args.exterior_edge = args.interior_edge+2.0*args.thickness
args.interior_leg = (args.interior_edge-args.horizontal_finger-args.kerf)/2-args.corner_inset
args.n_hor_fingers = int(args.exterior_edge/args.horizontal_finger/2)
args.exterior_leg = (args.exterior_edge-(2*args.n_hor_fingers-1)*args.horizontal_finger+args.kerf)/2
finger_length = args.interior_edge-2.0*args.corner_inset
args.n_hor_fingers = int(finger_length/args.horizontal_finger/2)
args.exterior_leg = (finger_length-(2*args.n_hor_fingers-1)*args.horizontal_finger+args.kerf)/2
args.exterior_slot = (args.exterior_edge-args.horizontal_finger+args.kerf)/2
args.n_ver_fingers = int(args.height/args.vertical_finger/2)
args.vertical_finger = args.height/args.n_ver_fingers/2
args.slots = [args.vertical_finger*2.5-args.thickness*0.5, args.vertical_finger*4.5-args.thickness*0.5]

print(args, file=sys.stderr)
if args.verbose:
print(args, file=sys.stderr)

DIMX = 5.0*args.grid*args.dimension
DIMY = 3.0*args.grid*args.dimension
@@ -74,7 +76,7 @@ def draw_grid(cx, cy):
HOLES += '<circle cx="%.2f" cy="%.2f" r="%.2f"/>\n' % (cxr+col*args.grid, cyr, args.radius)

def draw_plane(cx, cy, interior=False):
global SHAPES
global HOLES, SHAPES
if interior:
edge = args.interior_edge
else:
@@ -96,25 +98,60 @@ def draw_plane(cx, cy, interior=False):
turtle.forward(args.thickness)
turtle.left(90)
turtle.forward(args.interior_leg)
turtle.circle(-args.corner_radius, 60, 5)
turtle.circle(-args.corner_radius, 60)
turtle.forward(args.interior_edge-2.0*args.corner_inset)
turtle.circle(-args.corner_radius, 60, 5)
turtle.circle(-args.corner_radius, 60)
else:
turtle.pendown()
for side in range(6):
turtle.forward(args.exterior_edge)
turtle.right(60)
SHAPES += '<path d="%s"/>\n' % turtle.to_s()
if not interior:
turtle.reset()
turtle.penup()
turtle.forward(args.interior_edge)
turtle.right(120)
turtle.forward(args.corner_inset)
for side in range(5):
for finger in range(args.n_hor_fingers):
turtle.forward(args.exterior_leg if finger == 0 else args.horizontal_finger+args.kerf)
turtle.right(90)
turtle.forward(args.thickness)
turtle.pendown()
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.forward(args.horizontal_finger-args.kerf)
turtle.left(90)
turtle.right(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.forward(args.horizontal_finger-args.kerf)
turtle.penup()
turtle.right(180)
turtle.forward(args.horizontal_finger-args.kerf)
turtle.forward(args.exterior_leg)
turtle.right(60)
turtle.forward(args.exterior_edge)
SHAPES += '<path d="%s"/>\n' % turtle.to_s()
turtle.pendown()
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.circle(-args.corner_radius-args.thickness, 60)
turtle.right(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.circle(args.corner_radius, 60)
turtle.penup()
turtle.right(180)
turtle.circle(-args.corner_radius, 60)
turtle.forward(args.interior_edge-2*args.corner_inset)
turtle.pendown()
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.circle(-args.corner_radius-args.thickness, 60)
turtle.right(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.circle(args.corner_radius, 60)
HOLES += '<path d="%s"/>\n' % turtle.to_s()

def draw_side(x0, y0, h, slots):
global HOLES, SHAPES


Loading…
Cancel
Save