diff --git a/secret_nut/secret_nut.pdf b/secret_nut/secret_nut.pdf
new file mode 100644
index 0000000..91c2f7b
Binary files /dev/null and b/secret_nut/secret_nut.pdf differ
diff --git a/secret_nut/secret_nut_long.dxf b/secret_nut/secret_nut_a4.dxf
similarity index 98%
rename from secret_nut/secret_nut_long.dxf
rename to secret_nut/secret_nut_a4.dxf
index b8f969a..a7089a1 100644
--- a/secret_nut/secret_nut_long.dxf
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