diff --git a/V1.8-SB-x_carriage_left.stl b/V1.8-SB-x_carriage_left.stl
new file mode 100644
index 0000000..33ebf95
Binary files /dev/null and b/V1.8-SB-x_carriage_left.stl differ
diff --git a/V1.8-SB-x_carriage_right.stl b/V1.8-SB-x_carriage_right.stl
new file mode 100644
index 0000000..b578e8d
Binary files /dev/null and b/V1.8-SB-x_carriage_right.stl differ