diff --git a/3D Design/joints/corner_100deg.STL b/3D Design/joints/corner_100deg.STL
new file mode 100644
index 0000000000000000000000000000000000000000..178cabca2e176764b3804b5b0242de0648c7212c
Binary files /dev/null and b/3D Design/joints/corner_100deg.STL differ