diff --git a/files_3d/files_3d.crt b/files_3d/files_3d.crt
new file mode 100644
index 0000000..fdc283b
--- /dev/null
+++ b/files_3d/files_3d.crt
@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----