diff --git a/Mods/csch0/RearZAttachment/STLs/Rear Z Attachment.stl b/Mods/csch0/RearZAttachment/STLs/Rear_Z_Attachment_x1.stl
similarity index 100%
rename from Mods/csch0/RearZAttachment/STLs/Rear Z Attachment.stl
rename to Mods/csch0/RearZAttachment/STLs/Rear_Z_Attachment_x1.stl
diff --git a/Mods/csch0/RearZAttachment/STLs/Rear_Z_Joint_x1.stl b/Mods/csch0/RearZAttachment/STLs/Rear_Z_Joint_x1.stl
new file mode 100644
index 0000000..e6282f1
Binary files /dev/null and b/Mods/csch0/RearZAttachment/STLs/Rear_Z_Joint_x1.stl differ