diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 3f8946628a3e..1ffaf92ad86e 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -9488,6 +9488,12 @@
     github = "fzakaria";
     githubId = 605070;
   };
+  nagisa = {
+    name = "Simonas Kazlauskas";
+    email = "nixpkgs@kazlauskas.me";
+    github = "nagisa";
+    githubId = 679122;
+  };
   yevhenshymotiuk = {
     name = "Yevhen Shymotiuk";
     email = "yevhenshymotiuk@gmail.com";
diff --git a/pkgs/applications/graphics/odafileconverter/default.nix b/pkgs/applications/graphics/odafileconverter/default.nix
new file mode 100644
index 000000000000..0378c4db13b6
--- /dev/null
+++ b/pkgs/applications/graphics/odafileconverter/default.nix
@@ -0,0 +1,53 @@
+{ lib, stdenv, mkDerivation, dpkg, fetchurl, qtbase }:
+
+let
+  # To obtain the version you will need to run the following command:
+  #
+  # dpkg-deb -I ${odafileconverter.src} | grep Version
+  version = "21.7.0.0";
+  rpath = "$ORIGIN:${lib.makeLibraryPath [ stdenv.cc.cc qtbase ]}";
+
+in mkDerivation {
+  pname = "oda-file-converter";
+  inherit version;
+  nativeBuildInputs = [ dpkg ];
+
+  src = fetchurl {
+    # NB: this URL is not stable (i.e. the underlying file and the corresponding version will change over time)
+    url = "https://download.opendesign.com/guestfiles/ODAFileConverter/ODAFileConverter_QT5_lnxX64_7.2dll.deb";
+    sha256 = "0sa21nnwzqb6g7gl0z43smqgcd9h3xipj3cq2cl7ybfh3cvcxfi9";
+  };
+
+  unpackPhase = ''
+    dpkg -x $src oda_unpacked
+    sourceRoot=$PWD/oda_unpacked
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin $out/lib
+    cp -vr $sourceRoot/usr/bin/ODAFileConverter_${version} $out/libexec
+    cp -vr $sourceRoot/usr/share $out/share
+  '';
+
+  dontWrapQtApps = true;
+  fixupPhase = ''
+    echo "setting interpreter"
+    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/libexec/ODAFileConverter
+    patchelf --set-rpath '${rpath}' $out/libexec/ODAFileConverter
+    wrapQtApp $out/libexec/ODAFileConverter
+    mv $out/libexec/ODAFileConverter $out/bin
+
+    find $out/libexec -type f -executable | while read file; do
+      echo "patching $file"
+      patchelf --set-rpath '${rpath}' $file
+    done
+  '';
+
+  meta = with stdenv.lib; {
+    description = "For converting between different versions of .dwg and .dxf";
+    homepage = "https://www.opendesign.com/guestfiles/oda_file_converter";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ nagisa ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c57a2ed6e0d9..e7f12154c6a8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2269,6 +2269,8 @@ in
 
   obinskit = callPackage ../applications/misc/obinskit {};
 
+  odafileconverter = libsForQt5.callPackage ../applications/graphics/odafileconverter {};
+
   pastel = callPackage ../applications/misc/pastel {
     inherit (darwin.apple_sdk.frameworks) Security;
   };