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Slide-on Edge: Add optional springs that hold the lid in place 

Fix pin length to two thicknesses
This commit is contained in:
Florian Festi 2016-11-06 20:08:45 +01:00
parent 43c0178d14
commit 69ac52aaab
1 changed files with 48 additions and 11 deletions
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55
boxes/edges.py
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@ -1015,11 +1015,15 @@ Inherited:
relative_params.update( {
"play": 0.05,
"second_pin": 2,
"finger": 3.0,
"space": 2.0,
} )
absolute_params.update( {
"second_pin": True,
"spring": ("both", "none", "left", "right", "both"),
} )
class LidEdge(FingerJointEdge):
char = "l"
description = "Edge for slide on lid"
@ -1035,11 +1039,26 @@ class LidRight(BaseEdge):
def __call__(self, length, **kw):
t = self.boxes.thickness
if self.rightside:
spring = self.settings.spring in ("right", "both")
else:
spring = self.settings.spring in ("left", "both")
if spring:
l = min(6*t, length - 2*t)
a = 30
sqt = 0.4 * t / math.cos(math.radians(a))
sw = 0.5 * t
p = [0, 90, 1.5*t+sw, -90, l, (-180, 0.25*t), l-0.2*t, 90, sw, 90-a, sqt, 2*a, sqt, -a, length-t ]
else:
p = [t, 90, t, -90, length-t]
pin = self.settings.second_pin
if pin:
p[-1:] = [length-2*t-pin, -90, t, 90, pin, 90, t, -90, t]
pinl = 2*t
p[-1:] = [length-2*t-pinl, -90, t, 90, pinl, 90, t, -90, t]
if not self.rightside:
p = list(reversed(p))
@ -1073,28 +1092,46 @@ class LidSideRight(BaseEdge):
description = "Edge for slide on lid (box right)"
rightside = True
def __call__(self, length, **kw):
t = self.boxes.thickness
s = self.settings.play
pin = self.settings.second_pin
if self.rightside:
spring = self.settings.spring in ("right", "both")
else:
spring = self.settings.spring in ("left", "both")
if spring:
p = [s, -90, t+s, -90, t+s, 90, t-s, 90, length+t]
else:
p = [t+s, -90, t+s, -90, 2*t+s, 90, t-s, 90, length+t]
if pin:
p[-1:] = [p[-1]-t-2*pin, 90, 2*t+s, -90, 2*pin+s, -90, t+s, -90,
pin, 90, t, 90, pin+t-s]
if not self.rightside:
pinl = 2*t
p[-1:] = [p[-1]-t-2*pinl, 90, 2*t+s, -90, 2*pinl+s, -90, t+s, -90,
pinl, 90, t, 90, pinl+t-s]
holex = 0.6 * t
holey = -0.5*t
if self.rightside:
p = list(reversed(p))
holex = length - holex
holey = 1.5*t
if spring:
self.rectangularHole(holex, holey, 0.4*t, t+2*s)
self.polyline(*p)
def startwidth(self):
return 2*self.boxes.thickness if not self.rightside else 0.0
def endwidth(self):
return 2*self.boxes.thickness if self.rightside else 0.0
def endwidth(self):
return 2*self.boxes.thickness if not self.rightside else 0.0
def margin(self):
return 2*self.boxes.thickness # if not self.rightside else 0.0
return 2*self.boxes.thickness if not self.rightside else 0.0
class LidSideLeft(LidSideRight):
char = "M"