microtherion/ill-tempered-seabass
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Implement lid locking mechanism

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This commit is contained in:
Matthias Neeracher 2022-02-26 05:59:30 +01:00
parent 4c8ca5db03
commit 9fa39a7a34
3 changed files with 89 additions and 10 deletions
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33
battery-case-generator.py
View File

@ -52,6 +52,7 @@ args.corner_inset = args.corner_s*math.sqrt(3)/math.pi
args.plug_inset = args.plug_radius/math.sqrt(3)
args.interior_edge = args.grid*args.dimension*0.5+args.outside_padding
args.plug_edge = args.interior_edge-args.thickness
args.disc_radius = 0.45*(math.sqrt(3)-1)*args.plug_edge+args.plug_inset
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
finger_length = args.interior_edge-2.0*args.corner_inset
@ -84,16 +85,33 @@ def draw_grid(cx, cy):
for col in range(num_col):
HOLES += '<circle cx="%.2f" cy="%.2f" r="%.2f"/>\n' % (cxr+col*args.grid, cyr, args.radius)
def draw_disc(cx, cy, layer):
global HOLES, SHAPES, MARKS
turtle = svgturtle.SvgTurtle(cx, cy)
turtle.penup()
turtle.forward(args.disc_radius)
turtle.pendown()
turtle.left(90)
turtle.circle(args.disc_radius)
turtle.penup()
turtle.home()
if layer=='disc':
HOLES += '<path d="%s"/>\n' % turtle.to_s()
else:
MARKS += '<path d="%s"/>\n' % turtle.to_s()
def draw_plane(cx, cy, layer):
global HOLES, SHAPES, MARKS
if layer=='interior':
edge = args.interior_edge
elif layer=='plug' or layer=='plug_mark':
elif layer=='plug' or layer=='plug_mark' or layer=='opening':
edge = args.plug_edge
else:
edge = args.exterior_edge
turtle = svgturtle.SvgTurtle(cx, cy)
turtle.penup()
if layer=='plug_mark':
turtle.right(30)
turtle.forward(edge)
turtle.right(120)
if layer=='interior':
@ -113,6 +131,14 @@ def draw_plane(cx, cy, layer):
turtle.forward(edge-2.0*args.corner_inset)
turtle.circle(-args.corner_radius, 60)
elif layer=='plug' or layer=='plug_mark':
turtle.forward(args.plug_inset)
turtle.pendown()
for side in range(6):
turtle.right(90)
turtle.circle(0.5*edge-args.plug_inset, 180)
turtle.right(90)
turtle.circle(-args.plug_radius, 60)
elif layer=='opening':
turtle.forward(args.plug_inset)
turtle.pendown()
for side in range(6):
@ -292,9 +318,12 @@ draw_grid(1.5*BOX, 0.5*BOX)
draw_plane(1.5*BOX, 0.5*BOX, 'interior')
draw_plane(0.5*BOX, 1.5*BOX, 'bottom')
draw_plane(1.5*BOX, 1.5*BOX, 'rim')
draw_plane(1.5*BOX, 1.5*BOX, 'plug')
draw_plane(1.5*BOX, 1.5*BOX, 'opening')
draw_disc(1.5*BOX, 1.5*BOX, 'disc')
draw_plane(2.5*BOX, 0.5*BOX, 'plug')
draw_plane(2.5*BOX, 1.5*BOX, 'lid')
draw_plane(2.5*BOX, 1.5*BOX, 'plug_mark')
draw_disc(2.5*BOX, 1.5*BOX, 'disc_mark')
draw_case(0.05*args.grid*args.dimension, 2.0*BOX, args.height+args.extra_height+args.thickness, args.slots)
print('<g fill="none" stroke="black">', SHAPES, '</g>', '<g fill="none" stroke="red">', HOLES, '</g>', '<g fill="none" stroke="blue">', MARKS, '</g>', sep='\n')
print('</svg>')

23
svgturtle.py
View File

@ -53,22 +53,27 @@ class SvgTurtle():
self.left(w)
self.right(w2)
else:
ra = extent*self.cvtangle
h = self.heading-.5*ra if radius>0 else self.heading+.5*ra
dx = abs(radius)*math.cos(h)
dy = abs(radius)*math.sin(h)
if extent>355:
self.circle(radius, 355)
extent -= 355
ra = self.cvtangle*(extent if radius < 0 else -extent)
cx = self.x+radius*math.cos(self.heading-.5*math.pi)
cy = self.y+radius*math.sin(self.heading-.5*math.pi)
th = self.heading+.5*math.pi+ra
dx = cx+radius*math.cos(th)-self.x
dy = cy+radius*math.sin(th)-self.y
lg = 1 if extent >= 180 else 0
sw = 0 if radius > 0 else 1
if self.pen:
if self.path == '':
self.path = "M %.2f,%.2f" % (self.x,self.y)
self.path += " a %.2f %.2f %.2f %d %d %.2f %.2f" % (radius, radius, extent, lg, sw, dx, dy)
elif self.path != '':
self.path += " m %.2f, %.2f" % (dx, dy)
self.x += dx
self.y += dy
if radius > 0:
self.left(extent)
else:
self.right(extent)
self.heading = (self.heading + ra) % math.tau
def to_s(self):
return self.path
@ -77,6 +82,8 @@ class SvgTurtle():
self.x = self.homex
self.y = self.homey
self.heading = 0
if self.path != '':
self.path += " M %.2f, %.2f" % (self.x, self.y)
def reset(self):
self.path = ''

43
svgturtletest.py Executable file
View File

@ -0,0 +1,43 @@
#!/usr/bin/env python3
import svgturtle
print('<svg viewBox="0 0 2000 2000" xmlns="http://www.w3.org/2000/svg">')
turtle_tl = svgturtle.SvgTurtle(500, 750)
turtle_tr = svgturtle.SvgTurtle(1500, 750)
turtle_bl = svgturtle.SvgTurtle(500, 1000)
turtle_br = svgturtle.SvgTurtle(1500, 1000)
ANGLE=0
for i in range(7):
turtle_tl.home()
turtle_tl.left(ANGLE)
turtle_tl.circle(110+i*50, (i+1)*45, 50)
turtle_bl.home()
turtle_bl.right(ANGLE)
turtle_bl.circle(-(110+i*50), (i+1)*45, 50)
turtle_tr.home()
turtle_tr.right(ANGLE)
turtle_tr.circle(140+i*50, (i+1)*45, 50)
turtle_br.home()
turtle_br.left(ANGLE)
turtle_br.circle(-(140+i*50), (i+1)*45, 50)
print('<path fill="none" stroke="black" d="%s %s %s %s"/>' % (turtle_tl.to_s(), turtle_tr.to_s(), turtle_bl.to_s(), turtle_br.to_s()))
turtle_tl.reset()
turtle_tr.reset()
turtle_bl.reset()
turtle_br.reset()
for i in range(8):
turtle_tl.home()
turtle_tl.left(ANGLE)
turtle_tl.circle(100+i*50, (i+1)*45)
turtle_bl.home()
turtle_bl.right(ANGLE)
turtle_bl.circle(-(100+i*50), (i+1)*45)
turtle_tr.home()
turtle_tr.right(ANGLE)
turtle_tr.circle(130+i*50, (i+1)*45)
turtle_br.home()
turtle_br.left(ANGLE)
turtle_br.circle(-(130+i*50), (i+1)*45)
print('<path fill="none" stroke="blue" d="%s %s %s %s"/>' % (turtle_tl.to_s(), turtle_tr.to_s(), turtle_bl.to_s(), turtle_br.to_s()))
print('</svg>')