diff --git a/.gitignore b/.gitignore
index 677ebb4..f6d72c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -257,3 +257,5 @@ local.properties
 # Built Visual Studio Code Extensions
 *.vsix
 
+# Mechanical
+*.stl
diff --git a/Mechanical/RoboIME 2018/Motor adapter.SLDPRT b/Mechanical/RoboIME 2018/Motor adapter.SLDPRT
new file mode 100644
index 0000000..02e1f1d
Binary files /dev/null and b/Mechanical/RoboIME 2018/Motor adapter.SLDPRT differ