diff --git a/19in Rack Blanks/4U/Rack Blank 4U - Left.stl b/19in Rack Blanks/4U/Rack Blank 4U - Left.stl new file mode 100644 index 0000000..8bee56f Binary files /dev/null and b/19in Rack Blanks/4U/Rack Blank 4U - Left.stl differ diff --git a/19in Rack Blanks/4U/Rack Blank 4U - Right.stl b/19in Rack Blanks/4U/Rack Blank 4U - Right.stl new file mode 100644 index 0000000..454d84f Binary files /dev/null and b/19in Rack Blanks/4U/Rack Blank 4U - Right.stl differ diff --git a/19in Rack Blanks/4U/Rack Blank 4U Holes - Left.stl b/19in Rack Blanks/4U/Rack Blank 4U Holes - Left.stl new file mode 100644 index 0000000..9ba9f6f Binary files /dev/null and b/19in Rack Blanks/4U/Rack Blank 4U Holes - Left.stl differ diff --git a/19in Rack Blanks/4U/Rack Blank 4U Holes - Right.stl b/19in Rack Blanks/4U/Rack Blank 4U Holes - Right.stl new file mode 100644 index 0000000..f1cd3e2 Binary files /dev/null and b/19in Rack Blanks/4U/Rack Blank 4U Holes - Right.stl differ