diff --git a/mechanical/C5 Adapter/Extra designs/c5 adapter back - SMA.stl b/mechanical/C5 Adapter/Extra designs/c5 adapter back - SMA.stl
new file mode 100644
index 0000000..743fe56
Binary files /dev/null and b/mechanical/C5 Adapter/Extra designs/c5 adapter back - SMA.stl differ
diff --git a/mechanical/C5 Adapter/Extra designs/c5 adapter front - SMA.stl b/mechanical/C5 Adapter/Extra designs/c5 adapter front - SMA.stl
new file mode 100644
index 0000000..b022a3f
Binary files /dev/null and b/mechanical/C5 Adapter/Extra designs/c5 adapter front - SMA.stl differ
diff --git a/mechanical/C5 Adapter/c5 adapter back.stl b/mechanical/C5 Adapter/c5 adapter back.stl
index 1563dc3..4fd4026 100644
Binary files a/mechanical/C5 Adapter/c5 adapter back.stl and b/mechanical/C5 Adapter/c5 adapter back.stl differ
diff --git a/mechanical/C5 Adapter/c5 adapter front.stl b/mechanical/C5 Adapter/c5 adapter front.stl
index 4ddf64e..2c25c7e 100644
Binary files a/mechanical/C5 Adapter/c5 adapter front.stl and b/mechanical/C5 Adapter/c5 adapter front.stl differ
diff --git a/mechanical/C5 Adapter/c5 adapter pin cover.stl b/mechanical/C5 Adapter/c5 adapter pin cover.stl
index 62a0611..3097316 100644
Binary files a/mechanical/C5 Adapter/c5 adapter pin cover.stl and b/mechanical/C5 Adapter/c5 adapter pin cover.stl differ