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boxespy
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Add option for finger joints on the base and lid of hinged chests

This commit is contained in:
Erik Snider 2022-08-10 14:19:52 -04:00 committed by Florian Festi
parent 3572feab41
commit a41ffd6905
1 changed files with 50 additions and 8 deletions
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52
boxes/edges.py
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@ -1462,6 +1462,11 @@ Values:
* pin_height : 2.0 : radius of the disc rotating in the hinge (multiples of thickness)
* hinge_strength : 1.0 : thickness of the arc holding the pin in place (multiples of thickness)
* absolute
* finger_joints_on_box : False : whether to include finger joints on the edge with the box
* finger_joints_on_lid : False : whether to include finger joints on the edge with the lid
"""
relative_params = {
@ -1470,6 +1475,11 @@ Values:
"play" : 0.1,
}
absolute_params = {
"finger_joints_on_box" : False,
"finger_joints_on_lid" : False,
}
def checkValues(self):
if self.pin_height / self.thickness < 1.2:
raise ValueError("ChestHingeSettings: 'pin_height' must be >= 1.2")
@ -1513,10 +1523,21 @@ class ChestHinge(BaseEdge):
self.hole(-t, -s-p, p, tabs=4)
self.rectangularHole(-0.5*t, -s-p-0.5*pinh, t, pinh)
poly = (0, -180, t, (270, p+s), 0, -90, l+t-p-s)
if self.settings.finger_joints_on_box:
final_segment = t-s
draw_rest_of_edge = lambda : self.edges["F"](l-p)
else:
final_segment = l+t-p-s
draw_rest_of_edge = lambda : None
poly = (0, -180, t, (270, p+s), 0, -90, final_segment)
if self.reversed:
poly = reversed(poly)
draw_rest_of_edge()
self.polyline(*reversed(poly))
else:
self.polyline(*poly)
draw_rest_of_edge()
def margin(self):
if self.reversed:
@ -1552,10 +1573,22 @@ class ChestHingeTop(ChestHinge):
p = self.settings.pin_height
s = self.settings.hinge_strength
play = self.settings.play
poly = (0, -180, t, -180, 0, (-90, p+s+play), 0, 90, l+t-p-s-play)
if self.settings.finger_joints_on_lid:
final_segment = t-s-play
draw_rest_of_edge = lambda : self.edges["F"](l-p)
else:
final_segment = l+t-p-s-play
draw_rest_of_edge = lambda : None
poly = (0, -180, t, -180, 0, (-90, p+s+play), 0, 90, final_segment)
if self.reversed:
poly = reversed(poly)
draw_rest_of_edge()
self.polyline(*reversed(poly))
else:
self.polyline(*poly)
draw_rest_of_edge()
def startwidth(self):
if self.reversed:
@ -1584,9 +1617,18 @@ class ChestHingePin(BaseEdge):
p = self.settings.pin_height
s = self.settings.hinge_strength
pinh = self.settings.pinheight()
if self.settings.finger_joints_on_lid:
middle_segment = [0]
draw_rest_of_edge = lambda : self.edges["F"](l+2*t)
else:
middle_segment = [l+2*t,]
draw_rest_of_edge = lambda : None
poly = [0, -90, s+p-pinh, -90, t, 90, pinh, 90,]
poly += [l+2*t,] + list(reversed(poly))
self.polyline(*poly)
draw_rest_of_edge()
self.polyline(*(middle_segment + list(reversed(poly))))
def margin(self):
return (self.settings.pin_height+self.settings.hinge_strength)