def mlp_pad(m):
return pscad.union() + (
pscad.down(m.pad_l / D(2) - m.round_off) +
pscad.square((m.pad_w, m.round_off * D(2)), rounded=True, center=True),
pscad.up((m.pad_l - m.pad_w) / D(2)) +
pscad.circle(m.pad_w / D(2)) +
pscad.left(m.pad_w / D(2)) +
pscad.square((m.pad_w, m.pad_l - m.round_off - m.pad_w / D(2)))
)
def thermal_pad(pad, size, paste_fraction, max_paste_size):
paste_x = size[0] * dmath.sqrt(paste_fraction)
paste_y = size[1] * dmath.sqrt(paste_fraction)
n_x = dmath.ceil(paste_x / max_paste_size)
n_y = dmath.ceil(paste_y / max_paste_size)
paste_pad = pscad.rounded_square([paste_y / n_y, paste_x / n_x], D("0.05"), center=True)
return pscad.union() + (
pscad.row(pscad.rotate(90) + pscad.row(paste_pad, size[1] / n_y, n_y, center=True),
size[0] / n_x, n_x, center=True),
pscad.nopaste() + pad
)
def indent_pad(size, indent):
return pscad.union() + (
pscad.translate([-size[0] / 2, -size[1] / 2]) + (
pscad.square([size[0], size[1] - indent]),
pscad.right(indent) +
pscad.square([size[0] - indent, size[1]]),
pscad.down(size[1] - indent) +
pscad.rotate(45) + pscad.square(indent * dmath.sqrt(D(2)))
)
)
def mlp_pad(m):
pad = pscad.union() + (
pscad.down(m.pad_l / 2 - m.rounding) +
pscad.square((m.pad_w, m.rounding * 2), rounded=True, center=True),
pscad.up((m.pad_l - m.pad_w) / 2) +
pscad.circle(m.pad_w / 2) +
pscad.left(m.pad_w / 2) +
pscad.square((m.pad_w, m.pad_l - m.rounding - m.pad_w / 2))
)
if 'pad_paste_fraction' in m:
return pscad.paste_fraction(pad, (1,m.pad_paste_fraction))
else:
return pad