# Copyright (C) 2021 Guillaume Collic
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import math
from functools import partial
from boxes import Boxes, edges
[docs]
class PhoneHolder(Boxes):
"""
Smartphone desk holder
"""
ui_group = "Misc"
description = """
This phone stand holds your phone between two tabs, with access to its
bottom, in order to connect a charger, headphones, and also not to obstruct
the mic.
Default values are currently based on Galaxy S7.
"""
def __init__(self) -> None:
Boxes.__init__(self)
self.argparser.add_argument(
"--phone_height",
type=float,
default=142,
help="Height of the phone.",
)
self.argparser.add_argument(
"--phone_width",
type=float,
default=73,
help="Width of the phone.",
)
self.argparser.add_argument(
"--phone_depth",
type=float,
default=11,
help=(
"Depth of the phone. Used by the bottom support holding the "
"phone, and the side tabs depth as well. Should be at least "
"your material thickness for assembly reasons."
),
)
self.argparser.add_argument(
"--angle",
type=float,
default=25,
help="angle at which the phone stands, in degrees. 0° is vertical.",
)
self.argparser.add_argument(
"--bottom_margin",
type=float,
default=30,
help="Height of the support below the phone",
)
self.argparser.add_argument(
"--tab_size",
type=float,
default=76,
help="Length of the tabs holding the phone",
)
self.argparser.add_argument(
"--bottom_support_spacing",
type=float,
default=16,
help=(
"Spacing between the two bottom support. Choose a value big "
"enough for the charging cable, without getting in the way of "
"other ports."
),
)
self.addSettingsArgs(edges.FingerJointSettings)
def render(self):
self.h = self.phone_height + self.bottom_margin
tab_start = self.bottom_margin
tab_length = self.tab_size
tab_depth = self.phone_depth
support_depth = self.phone_depth
support_spacing = self.bottom_support_spacing
rad = math.radians(self.angle)
self.stand_depth = self.h * math.sin(rad)
self.stand_height = self.h * math.cos(rad)
self.render_front_plate(tab_start, tab_length, support_spacing, move="right")
self.render_back_plate(move="right")
self.render_side_plate(tab_start, tab_length, tab_depth, move="right")
for move in ["right mirror", "right"]:
self.render_bottom_support(tab_start, support_depth, tab_length, move=move)
def render_front_plate(
self,
tab_start,
tab_length,
support_spacing,
support_fingers_length=None,
move="right",
):
if not support_fingers_length:
support_fingers_length = tab_length
be = BottomEdge(self, tab_start, support_spacing)
se1 = SideEdge(self, tab_start, tab_length)
se2 = SideEdge(self, tab_start, tab_length, reverse=True)
self.rectangularWall(
self.phone_width,
self.h,
[be, se1, "e", se2],
move=move,
callback=[
partial(
lambda: self.front_plate_holes(
tab_start, support_fingers_length, support_spacing
)
)
],
)
def render_back_plate(
self,
move="right",
):
be = BottomEdge(self, 0, 0)
self.rectangularWall(
self.phone_width,
self.stand_height,
[be, "F", "e", "F"],
move=move,
)
def front_plate_holes(
self, support_start_height, support_fingers_length, support_spacing
):
margin = (self.phone_width - support_spacing - self.thickness) / 2
self.fingerHolesAt(
margin,
support_start_height,
support_fingers_length,
)
self.fingerHolesAt(
self.phone_width - margin,
support_start_height,
support_fingers_length,
)
def render_side_plate(self, tab_start, tab_length, tab_depth, move):
te = TabbedEdge(self, tab_start, tab_length, tab_depth, reverse=True)
self.rectangularTriangle(
self.stand_depth,
self.stand_height,
["e", "f", te],
move=move,
num=2,
)
def render_bottom_support(
self, support_start_height, support_depth, support_fingers_length, move="right"
):
full_height = support_start_height + support_fingers_length
rad = math.radians(self.angle)
floor_length = full_height * math.sin(rad)
angled_height = full_height * math.cos(rad)
bottom_radius = min(support_start_height, 3 * self.thickness + support_depth)
smaller_radius = 0.5
support_hook_height = 5
full_width = floor_length + (support_depth + 3 * self.thickness) * math.cos(rad)
if self.move(full_width, angled_height, move, True):
return
self.polyline(
floor_length,
self.angle,
3 * self.thickness + support_depth - bottom_radius,
(90, bottom_radius),
support_hook_height + support_start_height - bottom_radius,
(180, self.thickness),
support_hook_height - smaller_radius,
(-90, smaller_radius),
self.thickness + support_depth - smaller_radius,
-90,
)
self.edges["f"](support_fingers_length)
self.polyline(
0,
180 - self.angle,
angled_height,
90,
)
# Move for next piece
self.move(full_width, angled_height, move)
class BottomEdge(edges.BaseEdge):
def __init__(self, boxes, support_start_height, support_spacing) -> None:
super().__init__(boxes, None)
self.support_start_height = support_start_height
self.support_spacing = support_spacing
def __call__(self, length, **kw):
cable_hole_radius = 2.5
self.support_spacing = max(self.support_spacing, 2 * cable_hole_radius)
side = (length - self.support_spacing - 2 * self.thickness) / 2
half = [
side,
90,
self.support_start_height,
-90,
self.thickness,
-90,
self.support_start_height,
90,
self.support_spacing / 2 - cable_hole_radius,
90,
2 * cable_hole_radius,
]
path = half + [(-180, cable_hole_radius)] + list(reversed(half))
self.polyline(*path)
class SideEdge(edges.BaseEdge):
def __init__(self, boxes, tab_start, tab_length, reverse=False) -> None:
super().__init__(boxes, None)
self.tab_start = tab_start
self.tab_length = tab_length
self.reverse = reverse
def __call__(self, length, **kw):
tab_start = self.tab_start
tab_end = length - self.tab_start - self.tab_length
if self.reverse:
tab_start, tab_end = tab_end, tab_start
self.edges["F"](tab_start)
self.polyline(
0,
90,
self.thickness,
-90,
)
self.edges["f"](self.tab_length)
self.polyline(0, -90, self.thickness, 90)
self.edges["F"](tab_end)
def startwidth(self) -> float:
return self.boxes.thickness
class TabbedEdge(edges.BaseEdge):
def __init__(self, boxes, tab_start, tab_length, tab_depth, reverse=False) -> None:
super().__init__(boxes, None)
self.tab_start = tab_start
self.tab_length = tab_length
self.tab_depth = tab_depth
self.reverse = reverse
def __call__(self, length, **kw):
tab_start = self.tab_start
tab_end = length - self.tab_start - self.tab_length
if self.reverse:
tab_start, tab_end = tab_end, tab_start
self.edges["f"](tab_start)
self.ctx.save()
self.fingerHolesAt(0, -self.thickness / 2, self.tab_length, 0)
self.ctx.restore()
self.polyline(
0,
-90,
self.thickness,
(90, self.tab_depth),
self.tab_length - 2 * self.tab_depth,
(90, self.tab_depth),
self.thickness,
-90,
)
self.edges["f"](tab_end)
def margin(self) -> float:
return self.tab_depth + self.thickness
