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past O
through O
“ O
rapid O
casting S-MANP
” O
to O
fabricate S-MANP
sand O
molds S-MACEQ
directly O
, O
the O
sand S-MATE
used O
is O
stipulated O
by O
the O
3D B-MACEQ
printer E-MACEQ
. O
The O
use O
of O
specialized O
sand S-MATE
may O
result O
in O
changes O
to O
infrastructure O
and O
large O
amounts O
of O
additional O
sand S-MATE
required O
to O
be S-MATE
stored O
on O
location O
. O
The O
main O
question O
we O
sought O
to O
answer O
was O
if O
traditional O
foundry S-MANP
sand O
or O
“ O
non-standard O
” O
sand S-MATE
could O
be S-MATE
used O
within O
a O
3D B-MANP
printing E-MANP
system O
? O
We O
report O
herein O
that O
the O
although O
the O
increase O
in O
surface B-PRO
roughness E-PRO
may O
be S-MATE
tolerable O
, O
the O
use O
of O
foundry S-MANP
sand O
within O
a O
3D B-MACEQ
printer E-MACEQ