def asym_baffle(baffle_height,
baffle_thickness,
n_notch,
delta,
overhangs=(0,0),
overhang_heights=(None,None),
overhang_tapers=(False, False),
board_catches=(False, False),
margin=MARGIN):
'''
delta = DX/DY
overhangs = amount of extra plastic from center of last notch
overhang_heights = height of overhang. if None, baffle_height
overhang_tapers = straight~False, tapered~True,
board_catches = hooks to grab the board and hold the baffle in place.
margin = extra gap for slots
'''
overhang_heights = list(overhang_heights)
for i in range(2):
if overhang_heights[i] is None:
overhang_heights[i] = baffle_height
p = MyPath()
p.moveTo(0, 0)
if overhangs[0] > 0:
p.lineTo(-overhangs[0], 0)
if overhang_tapers[0]:
p.lineTo(-overhangs[0], overhang_heights[0]/2.)
else:
p.lineTo(-overhangs[0], overhang_heights[0])
p.lineTo(-baffle_thickness / 2. - margin, overhang_heights[0])
p.lineTo(-baffle_thickness / 2. - margin,
baffle_height / 2 - margin)
p.lineTo(0, baffle_height / 2 - margin)
for i in range(n_notch):
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height / 2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height / 2 - margin)
p.lineTo((i + 1) * delta,
baffle_height / 2 - margin)
if overhangs[1] > 0:
p.lineTo(n_notch * delta + baffle_thickness / 2 + margin,
baffle_height / 2 - margin)
p.lineTo(n_notch * delta + baffle_thickness / 2 + margin,
overhang_heights[1])
if overhang_tapers[1]:
p.lineTo(n_notch * delta + overhangs[1], overhang_heights[1]/2)
else:
p.lineTo(n_notch * delta + overhangs[1], overhang_heights[1])
p.lineTo(n_notch * delta + overhangs[1], 0)
p.lineTo(n_notch * delta, 0)
p.lineTo(0, 0)
return p
def c3jr_v_baffle(baffle_height,
baffle_thickness,
n_notch,
delta,
overhangs=(0,0),
overhang_heights=(None,None),
overhang_tapers=(False, False),
margin=MARGIN,
skip_notches=()):
'''
delta = DX/DY
overhangs = amount of extra plastic from center of last notch
overhang_heights = height of overhang. if None, baffle_height
overhang_tapers = straight~False, tapered~True,
margin = extra gap for slots
'''
overhang_heights = list(overhang_heights)
for i in range(2):
if overhang_heights[i] is None:
overhang_heights[i] = baffle_height
p = MyPath()
p.moveTo(0, 0)
p.lineTo(-overhangs[0], 0)
p.lineTo(-overhangs[0], overhang_heights[0]/2.)
p.lineTo(-baffle_thickness / 2. - margin, overhang_heights[0] * 3/4.)
for i in range(n_notch - 1):
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height)
## do last notch
i = n_notch - 1
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height)
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height/2 - margin)
# do last taper
p.lineTo(i * delta + baffle_thickness / 2 + margin,
overhang_heights[1] * 3 / 4.)
if overhang_tapers[1]:
p.lineTo((n_notch - 1) * delta + overhangs[1], overhang_heights[1]/2)
else:
p.lineTo((n_notch - 1) * delta + overhangs[1], overhang_heights[1])
p.lineTo((n_notch - 1) * delta + overhangs[1], 0)
p.lineTo((n_notch - 1) * delta, 0)
p.lineTo(0, 0)
return p
def create_baffle(baffle_height,
baffle_thickness,
n_notch,
delta,
overhang=0,
overhang_height=None,
overhang_taper=False,
margin=MARGIN):
'''
delta = DX/DY
overhang = amount of extra plastic from center of last notch
overhang_height = height of overhang. if None, baffle_height
margin = extra gap for slots
'''
if overhang_height is None:
overhang_height = baffle_height
p = MyPath()
p.moveTo(0, 0)
if overhang > 0:
p.lineTo(-overhang, 0)
if overhang_taper:
p.lineTo(-overhang, overhang_height / 2)
else:
p.lineTo(-overhang, overhang_height)
p.lineTo(-baffle_thickness / 2. - margin, overhang_height)
p.lineTo(-baffle_thickness / 2. - margin, baffle_height / 2 - margin)
p.lineTo(0, baffle_height / 2 - margin)
for i in range(n_notch):
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height / 2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin, baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height / 2 - margin)
p.lineTo((i + 1) * delta, baffle_height / 2 - margin)
if overhang > 0:
p.lineTo(n_notch * delta + baffle_thickness / 2 + margin,
baffle_height / 2 - margin)
p.lineTo(n_notch * delta + baffle_thickness / 2 + margin,
overhang_height)
if overhang_taper:
p.lineTo(n_notch * delta + overhang, overhang_height / 2)
else:
p.lineTo(n_notch * delta + overhang, overhang_height)
p.lineTo(n_notch * delta + overhang, 0)
p.lineTo(n_notch * delta, 0)
p.lineTo(0, 0)
return p
def c3jr_h_baffle(baffle_height,
baffle_thickness,
n_notch,
delta,
overhangs=(0,0),
overhang_heights=(None,None),
overhang_tapers=(False, False),
board_hooks=(False, False),
board_hooks_up=False,
margin=MARGIN,
skip_notches=()):
'''
delta = DX/DY
overhangs = amount of extra plastic from center of last notch
overhang_heights = height of overhang. if None, baffle_height
overhang_tapers = straight~False, tapered~True,
board_hooks = hooks to grab the board and hold the baffle in place.
margin = extra gap for slots
'''
overhang_heights = list(overhang_heights)
for i in range(2):
if overhang_heights[i] is None:
overhang_heights[i] = baffle_height
p = MyPath()
p.moveTo(0, 0)
if overhangs[0] > 0:
if board_hooks[0]:
if not board_hooks_up: ## h baffles
p.lineTo(-0.25 * mm, 0)
p.lineTo(-0.25 * mm, -BOARD_THICKNESS)
p.lineTo( - board_hooks[0], -BOARD_THICKNESS)
p.lineTo( - board_hooks[0], baffle_height)
p.lineTo(-overhangs[0], baffle_height)
else:
p.lineTo(-overhangs[0], overhang_heights[0])
p.lineTo(-baffle_thickness / 2. - margin, overhang_heights[0])
for i in range(n_notch - 1):
if i in skip_notches:
p.lineTo((i + 0) * delta, baffle_height)
else:
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height)
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height)
p.lineTo((i + 1) * delta - baffle_thickness / 2. - margin,
baffle_height)
if n_notch - 1 not in skip_notches:
## do last notch
i = n_notch - 1
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height)
p.lineTo(i * delta - baffle_thickness / 2. - margin,
baffle_height/2 - margin)
p.lineTo(i * delta + baffle_thickness / 2. + margin,
baffle_height/2 - margin)
if overhangs[1] > 0:
p.lineTo((n_notch - 1) * delta + baffle_thickness / 2 + margin,
baffle_height / 2 - margin)
p.lineTo((n_notch - 1) * delta + baffle_thickness / 2 + margin,
overhang_heights[1])
if overhang_tapers[1]:
p.lineTo((n_notch - 1) * delta + overhangs[1], overhang_heights[1]/2)
elif board_hooks[1]:
x0 = (n_notch - 1) * delta
if not board_hooks_up:
p.lineTo(x0 + board_hooks[1], baffle_height)
p.lineTo(x0 + board_hooks[1], -BOARD_THICKNESS)
p.lineTo(x0 + 0.25 * mm, -BOARD_THICKNESS)
p.lineTo(x0 + 0.25 * mm, 0)
p.lineTo((n_notch - 1) * delta + MARGIN, 0)
p.lineTo((n_notch - 1) * delta + MARGIN, 0)
p.lineTo(0, 0)
return p
can.drawString(1.25 * inch, H + .25 * inch, fontname)
if reverse:
can.translate(9 * inch, 0 * inch)
can.scale(-1, 1)
ldr_x = 48.8 * mm + 1 * inch
ldr_y = 9 * inch - 6.38 * mm
ldr_r = 2.5 * mm
# can.circle(ldr_x, ldr_y, ldr_r, fill=True) # ldr
can.setLineWidth(1)
margin = 10 * mm
letter_bbox = (XS[0], YS[0], XS[-1] - XS[0] + DX, YS[-1] - YS[0] + DY)
bbox = (0, 0, W, H)
faceplate = MyPath()
# faceplate.rect(bbox)
backplate = MyPath()
backplate.rect(bbox)
keyhole = Keyhole()
backplate.route(keyhole)
keyhole.translate((9 - .75 - .75) * inch, 0 * inch)
backplate.route(keyhole)
pcb_bbox = (0, 0, PCB_W, PCB_H)
pcb = MyPath()
pcb.rect(pcb_bbox)
W = DX * 12 + 2 * inch
H = DY * 12 + 5 * inch
