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Flex case experiment: Not structurally sound

main
Matthias Neeracher 9 months ago
parent
commit
bf1433afe7
1 changed files with 94 additions and 15 deletions
  1. +94
    -15
      battery-case-generator.py

+ 94
- 15
battery-case-generator.py View File

@@ -47,20 +47,26 @@ args.exterior_leg = (args.exterior_edge-(2*args.n_hor_fingers-1)*args.horizonta
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]

DIMX = 2.9*args.grid*args.dimension
DIMY = 3.8*args.grid*args.dimension
DIMX = 5.0*args.grid*args.dimension
DIMY = 3.0*args.grid*args.dimension
PI3 = math.pi/3

HOLES = ''
SHAPES = ''

def draw_grid(cx, cy):
global HOLES
for row in range(-int(args.dimension/2), int((args.dimension+1)/2)):
cyr = cy+args.grid*row*math.sin(PI3)
num_col = args.dimension-abs(row)
cxr = cx-.5*args.grid*(num_col-1.0)
for col in range(num_col):
print('<circle cx="%.2f" cy="%.2f" r="%.2f" stroke="black" fill="none"/>' % (cxr+col*args.grid, cyr, args.radius))
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
if interior:
edge = args.interior_edge
else:
@@ -71,7 +77,7 @@ def draw_plane(cx, cy, interior=False):
turtle.right(120)
turtle.pendown()
if interior:
for side in range(6):
for side in range(5):
turtle.forward(args.interior_leg)
turtle.left(90)
turtle.forward(args.thickness)
@@ -82,8 +88,9 @@ def draw_plane(cx, cy, interior=False):
turtle.left(90)
turtle.forward(args.interior_leg)
turtle.right(60)
turtle.forward(args.interior_edge)
else:
for side in range(6):
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)
@@ -95,9 +102,11 @@ def draw_plane(cx, cy, interior=False):
turtle.right(90)
turtle.forward(args.exterior_leg)
turtle.right(60)
print('<path d="%s" fill="none" stroke="black"/>' % turtle.to_s())
turtle.forward(args.exterior_edge)
SHAPES += '<path d="%s"/>\n' % turtle.to_s()

def draw_side(x0, y0, h, slots):
global HOLES, SHAPES
turtle = svgturtle.SvgTurtle(x0, y0+args.thickness)
for finger in range(args.n_hor_fingers):
turtle.forward(args.exterior_leg-args.kerf if finger == 0 else args.horizontal_finger-args.kerf)
@@ -132,24 +141,94 @@ def draw_side(x0, y0, h, slots):
if finger < args.n_ver_fingers-1:
turtle.forward(args.thickness)
turtle.left(90)
print('<path d="%s" fill="none" stroke="black"/>' % turtle.to_s())
SHAPES += '<path d="%s"/>\n' % turtle.to_s()
for slot in slots:
x = x0+args.exterior_slot
y = y0+slot
w = args.horizontal_finger-args.kerf
h = args.thickness-args.kerf
print('<rect x="%.2f" y="%.2f" width="%.2f" height="%.2f" fill="none" stroke="black"/>' % (x, y, w, h))
HOLES += '<rect x="%.2f" y="%.2f" width="%.2f" height="%.2f"/>\n' % (x, y, w, h)

def draw_case(x0, y0, h, slots):
global HOLES, SHAPES
turtle = svgturtle.SvgTurtle(x0, y0)
turtle.forward(args.exterior_edge*0.5)
for side in range(6):
turtle.right(90)
turtle.forward(args.height-args.thickness)
turtle.penup()
turtle.back(args.height-args.thickness)
turtle.left(90)
turtle.forward(2*args.thickness)
turtle.right(90)
turtle.pendown()
turtle.forward(args.height-args.thickness)
turtle.penup()
turtle.back(args.height-args.thickness)
turtle.left(90)
turtle.pendown()
if side==5:
break
turtle.forward(args.exterior_edge-args.thickness*2)
turtle.forward(args.exterior_edge*0.5-args.thickness*2)
turtle.right(90)
for finger in range(args.n_ver_fingers):
turtle.forward(args.vertical_finger-(args.kerf/2 if finger==0 else args.kerf))
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.forward(args.vertical_finger+args.kerf)
turtle.right(90)
if finger < args.n_ver_fingers-1:
turtle.forward(args.thickness)
turtle.left(90)
turtle.forward(args.exterior_edge*0.5)
for side in range(6):
turtle.right(90)
turtle.forward(args.height-args.thickness)
turtle.penup()
turtle.back(args.height-args.thickness)
turtle.left(90)
turtle.pendown()
if side==5:
break
for finger in range(args.n_hor_fingers):
turtle.forward(args.exterior_leg if finger == 0 else args.horizontal_finger+args.kerf)
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.forward(args.horizontal_finger-args.kerf)
turtle.right(90)
turtle.forward(args.thickness)
turtle.left(90)
turtle.forward(args.exterior_leg)
turtle.forward(args.exterior_edge*0.5)
turtle.right(90)
for finger in range(args.n_ver_fingers):
turtle.forward(args.vertical_finger-(args.kerf/2 if finger==0 else args.kerf))
turtle.left(90)
turtle.forward(args.thickness)
turtle.right(90)
turtle.forward(args.vertical_finger+args.kerf)
turtle.right(90)
if finger < args.n_ver_fingers-1:
turtle.forward(args.thickness)
turtle.left(90)
SHAPES += '<path d="%s"/>\n' % turtle.to_s()
for slot in slots:
for side in range(5):
x = x0+(side+0.5)*args.exterior_edge+args.thickness+args.exterior_slot
y = y0+slot
w = args.horizontal_finger-args.kerf
h = args.thickness-args.kerf
HOLES += '<rect x="%.2f" y="%.2f" width="%.2f" height="%.2f"/>\n' % (x, y, w, h)

print('<svg viewBox="0 0 %.2f %.2f" width="%.2fmm" height="%.2fmm" stroke-width="0.1" xmlns="http://www.w3.org/2000/svg">' % (DIMX, DIMY, DIMX, DIMY))
draw_grid(0.65*args.grid*args.dimension, 0.60*args.grid*args.dimension)
draw_plane(0.65*args.grid*args.dimension, 0.60*args.grid*args.dimension, True)
draw_grid(1.90*args.grid*args.dimension, 0.60*args.grid*args.dimension)
draw_plane(1.90*args.grid*args.dimension, 0.60*args.grid*args.dimension, True)
draw_plane(0.65*args.grid*args.dimension, 1.90*args.grid*args.dimension)
draw_side(0.05*args.grid*args.dimension, 2.50*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_side(0.75*args.grid*args.dimension, 2.50*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_side(1.45*args.grid*args.dimension, 2.50*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_side(2.15*args.grid*args.dimension, 2.50*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_side(1.35*args.grid*args.dimension, 1.25*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_side(2.05*args.grid*args.dimension, 1.25*args.grid*args.dimension, args.height, [args.height*.3, args.height*.7])
draw_plane(3.15*args.grid*args.dimension, 0.60*args.grid*args.dimension)
draw_case(0.05*args.grid*args.dimension, 1.25*args.grid*args.dimension, args.height, args.slots)
print('<g fill="none" stroke="red">', HOLES, '</g>', '<g fill="none" stroke="black">', SHAPES, '</g>', sep='\n')
print('</svg>')

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