from boxes import *
[docs]
class PenHolderBox(Boxes):
"""PenHolderBox: Open pen holder box with two internal grid plates."""
ui_group = "Tray"
def __init__(self):
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings)
self.buildArgParser("x", "y", "h", "outside", "bottom_edge")
self.argparser._action_groups[1].add_argument(
"--plate_gap",
type=float,
default=80.0,
help="Distance (mm) between Plate 1 and Plate 2.",
)
self.argparser._action_groups[1].add_argument(
"--plate1_offset",
type=float,
default=3.0,
help="Distance (mm) from the top of the box to Plate 1 (default = thickness).",
)
group2 = self.argparser.add_argument_group(
"PenHolderBox Hole Plate Settings",
description="Settings for the hole grid plates.",
)
group2.add_argument(
"--nx",
type=int,
default=4,
help="Number of holes in width (X).",
)
group2.add_argument(
"--ny",
type=int,
default=4,
help="Number of holes in depth (Y).",
)
group2.add_argument(
"--pen_diam",
type=float,
default=12.0,
help="Diameter (mm) of the pen hole.",
)
group2.add_argument(
"--cap_diam",
type=float,
default=16.0,
help="Diameter (mm) of the cap (reserved area, drawn in green).",
)
def _check_grid(self, plate_w, plate_h):
cd = self.cap_diam
utile_w = plate_w - cd
utile_h = plate_h - cd
grid_w = self.nx * cd
grid_h = self.ny * cd
ok = True
if grid_w > utile_w:
ok = False
if grid_h > utile_h:
ok = False
return ok
def _pen_holes(self, plate_w, plate_h):
r_pen = self.pen_diam / 2.0
r_cap = self.cap_diam / 2.0
cd = self.cap_diam
step = cd
grid_w = (self.nx - 1) * step
grid_h = (self.ny - 1) * step
x0 = (plate_w - grid_w) / 2.0
y0 = (plate_h - grid_h) / 2.0
for row in range(self.ny):
for col in range(self.nx):
cx = x0 + col * step
cy = y0 + row * step
self.hole(cx, cy, r=r_pen)
self.ctx.save()
self.ctx.set_source_rgb(0, 0.6, 0)
circle_steps = 60
for i in range(circle_steps + 1):
angle = 2 * math.pi * i / circle_steps
px = cx + r_cap * math.cos(angle)
py = cy + r_cap * math.sin(angle)
if i == 0:
self.ctx.move_to(px, py)
else:
self.ctx.line_to(px, py)
self.ctx.stroke()
self.ctx.restore()
def _finger_holes(self, wall_width, wall_height, y_p1, y_p2):
self.fingerHolesAt(0, y_p1, wall_width, 0)
self.fingerHolesAt(0, y_p2, wall_width, 0)
def render(self):
x, y, h = self.x, self.y, self.h
t = self.thickness
t1, t2, t3, t4 = "eeee"
b = self.edges.get(self.bottom_edge, self.edges["F"])
sideedge = "F"
if self.outside:
self.x = x = self.adjustSize(x, sideedge, sideedge)
self.y = y = self.adjustSize(y)
self.h = h = self.adjustSize(h, b, t1)
y_p1 = h - self.plate1_offset - t / 2.0
y_p2 = y_p1 - self.plate_gap
self._check_grid(x, y)
with self.saved_context():
self.rectangularWall(
x,
h,
[b, sideedge, t1, sideedge],
ignore_widths=[1, 6],
move="up",
label="front_face",
callback=[lambda: self._finger_holes(x, h, y_p1, y_p2)],
)
self.rectangularWall(
x,
h,
[b, sideedge, t3, sideedge],
ignore_widths=[1, 6],
move="up",
label="back_face",
callback=[lambda: self._finger_holes(x, h, y_p1, y_p2)],
)
if self.bottom_edge != "e":
self.rectangularWall(x, y, "ffff", move="up", label="bottom")
self.rectangularWall(
x,
h,
[b, sideedge, t3, sideedge],
ignore_widths=[1, 6],
move="right only",
)
with self.saved_context():
self.rectangularWall(
y,
h,
[b, "f", t2, "f"],
ignore_widths=[1, 6],
move="up",
label="left_side",
callback=[lambda: self._finger_holes(y, h, y_p1, y_p2)],
)
self.rectangularWall(
y,
h,
[b, "f", t4, "f"],
ignore_widths=[1, 6],
move="up",
label="right_side",
callback=[lambda: self._finger_holes(y, h, y_p1, y_p2)],
)
self.rectangularWall(
y,
h,
[b, "f", t4, "f"],
ignore_widths=[1, 6],
move="right only",
)
with self.saved_context():
self.rectangularWall(
x,
y,
"ffff",
move="up",
label="plate_1",
callback=[lambda: self._pen_holes(x, y)],
)
self.rectangularWall(
x,
y,
"ffff",
move="up",
label="plate_2",
callback=[lambda: self._pen_holes(x, y)],
)
