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Add optional "finger hold" to the sliding lid, present if "hole_width" > 0. 

Also:
* add comments for the sliding lid parameters
* move groove-cutting logic to helper methods

Example usage:
scripts/boxes UniversalBox --bottom_edge=F --top_edge=L --Lid_spring=none --Lid_style=springs --x=100.0 --y=100.0 --h=100.0 --reference=0 --thickness=3.0 --Lid_hole_width=20
This commit is contained in:
Marcin Zukowski 2020-09-30 11:36:14 -07:00 committed by Florian Festi
parent 4df9c4aae9
commit 2538f2fef3
1 changed files with 56 additions and 17 deletions
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73
boxes/edges.py
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@ -388,6 +388,32 @@ class GroovedEdgeBase(BaseEdge):
def is_inverse(self):
return self.settings.inverse != self.inverse
def groove_arc(self, width, angle=90, inv=-1.0):
side_length = width / math.sin(math.radians(angle)) / 2
self.corner(inv * -angle)
self.corner(inv * angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * -angle)
def groove_soft_arc(self, width, angle=60, inv=-1.0):
side_length = width / math.sin(math.radians(angle)) / 4
self.corner(inv * -angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * -angle, side_length)
def groove_triangle(self, width, angle=45, inv=-1.0):
side_length = width / math.cos(math.radians(angle)) / 2
self.corner(inv * -angle)
self.edge(side_length)
self.corner(inv * 2 * angle)
self.edge(side_length)
self.corner(inv * -angle)
def __call__(self, length, **kw):
if length == 0.0:
return
@ -434,26 +460,13 @@ class GroovedEdgeBase(BaseEdge):
self.edge(width)
elif style == GroovedSettings.PARAM_ARC:
angle = self.settings.arc_angle / 2
side_length = width / math.sin(math.radians(angle)) / 2
self.corner(inv * -angle)
self.corner(inv * angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * -angle)
self.groove_arc(width, angle, inv)
elif style == GroovedSettings.PARAM_SOFTARC:
angle = self.settings.arc_angle / 2
side_length = width / math.sin(math.radians(angle)) / 4
self.corner(inv * -angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * angle, side_length)
self.corner(inv * -angle, side_length)
self.groove_soft_arc(width, angle, inv)
elif style == GroovedSettings.PARAM_TRIANGLE:
angle = self.settings.tri_angle
side_length = width / math.cos(math.radians(angle)) / 2
self.corner(inv * -angle)
self.edge(side_length)
self.corner(inv * 2 * angle)
self.edge(side_length)
self.corner(inv * -angle)
self.groove_triangle(width, angle, inv)
else:
raise ValueError("Unknown GroovedEdge style: %s)" % style)
@ -1600,7 +1613,14 @@ class LidSettings(FingerJointSettings):
Note that edge_width below also determines how much the sides extend above the lid.
Inherited:
Values:
* absolute_params
* second_pin : True : additional pin for better positioning
* spring : "both" : position(s) of the extra locking springs in the lid
* hole_width : 0 : width of the "finger hole" in mm
"""
__doc__ += FingerJointSettings.__doc__
@ -1617,6 +1637,7 @@ Inherited:
absolute_params.update( {
"second_pin": True,
"spring": ("both", "none", "left", "right"),
"hole_width": 0
} )
def edgeObjects(self, boxes, chars=None, add=True):
@ -1633,10 +1654,28 @@ class LidEdge(FingerJointEdge):
char = "l"
description = "Edge for slide on lid (back)"
def __call__(self, length, bedBolts=None, bedBoltSettings=None, **kw):
hole_width = self.settings.hole_width;
if hole_width > 0:
super().__call__((length - hole_width) / 2)
GroovedEdgeBase.groove_arc(self, hole_width)
super().__call__((length - hole_width) / 2)
else:
super().__call__(length)
class LidHoleEdge(FingerHoleEdge):
char = "L"
description = "Edge for slide on lid (box back)"
def __call__(self, length, bedBolts=None, bedBoltSettings=None, **kw):
hole_width = self.settings.hole_width;
if hole_width > 0:
super().__call__((length - hole_width) / 2)
self.edge(hole_width)
super().__call__((length - hole_width) / 2)
else:
super().__call__(length)
class LidRight(BaseEdge):
char = "n"
description = "Edge for slide on lid (right)"