diff --git a/pkgs/applications/graphics/openscad/default.nix b/pkgs/applications/graphics/openscad/default.nix
index a3f11641ed4d0..008b83ecd0996 100644
--- a/pkgs/applications/graphics/openscad/default.nix
+++ b/pkgs/applications/graphics/openscad/default.nix
@@ -14,7 +14,7 @@
   libGL,
   glew,
   opencsg,
-  cgal_4,
+  cgal,
   mpfr,
   gmp,
   glib,
@@ -62,11 +62,32 @@ mkDerivation rec {
       url = "https://github.com/openscad/openscad/commit/84addf3c1efbd51d8ff424b7da276400bbfa1a4b.patch";
       sha256 = "sha256-KNEVu10E2d4G2x+FJcuHo2tjD8ygMRuhUcW9NbN98bM=";
     })
+    (fetchpatch {
+      # needed for cgal_5
+      name = "cgalutils-tess.cc-cgal-5.patch";
+      url = "https://github.com/openscad/openscad/commit/3a81c1fb9b663ebbedd6eb044e7276357b1f30a1.patch";
+      hash = "sha256-JdBznXkewx5ybY92Ss0h7UnMZ7d3IQbFRaDCDjb1bRA=";
+    })
+    (fetchpatch {
+      # needed for cgal_5
+      name = "cgalutils-tess.cc-cgal-5_4.patch";
+      url = "https://github.com/openscad/openscad/commit/71f2831c0484c3f35cbf44e1d1dc2c857384100b.patch";
+      hash = "sha256-Fu8dnjNIwZKCI6ukOeHYK8NiJwoA0XtqT8dg8sVevG8=";
+    })
+    (fetchpatch {
+      # needed for cgal_5. Removes dead code
+      name = "cgalutils-polyhedron.cc-cgal-5_3.patch";
+      url = "https://github.com/openscad/openscad/commit/cc49ad8dac24309f5452d5dea9abd406615a52d9.patch";
+      hash = "sha256-B3i+o6lR5osRcVXTimDZUFQmm12JhmbFgG9UwOPebF4=";
+    })
   ];
 
   postPatch = ''
     substituteInPlace src/FileModule.cc \
       --replace-fail 'fs::is_regular' 'fs::is_regular_file'
+
+    substituteInPlace src/openscad.cc \
+      --replace-fail 'boost::join' 'boost::algorithm::join'
   '';
 
   nativeBuildInputs = [
@@ -84,7 +105,7 @@ mkDerivation rec {
       boost
       glew
       opencsg
-      cgal_4
+      cgal
       mpfr
       gmp
       glib
diff --git a/pkgs/by-name/li/lib3mf/package.nix b/pkgs/by-name/li/lib3mf/package.nix
index c61a747bec0ee..c332654c2b15e 100644
--- a/pkgs/by-name/li/lib3mf/package.nix
+++ b/pkgs/by-name/li/lib3mf/package.nix
@@ -6,26 +6,25 @@
   ninja,
   automaticcomponenttoolkit,
   pkg-config,
+  fast-float,
   libzip,
   gtest,
   openssl,
   libuuid,
-  libossp_uuid,
+  zlib,
 }:
 
 stdenv.mkDerivation rec {
   pname = "lib3mf";
-  version = "2.2.0";
+  version = "2.3.2";
 
   src = fetchFromGitHub {
     owner = "3MFConsortium";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-WMTTYYgpCIM86a6Jw8iah/YVXN9T5youzEieWL/d+Bc=";
+    tag = "v${version}";
+    hash = "sha256-XEwrJINiNpI2+1wXxczirci8VJsUVs5iDUAMS6jWuNk=";
   };
 
-  patches = [ ./upgrade-to-cpp-14.patch ];
-
   nativeBuildInputs = [
     cmake
     ninja
@@ -49,22 +48,37 @@ stdenv.mkDerivation rec {
     libzip
     gtest
     openssl
-  ] ++ (if stdenv.hostPlatform.isDarwin then [ libossp_uuid ] else [ libuuid ]);
+    zlib
+  ] ++ lib.optional (!stdenv.hostPlatform.isDarwin) libuuid;
 
   postPatch = ''
-    # This lets us build the tests properly on aarch64-darwin.
-    substituteInPlace CMakeLists.txt \
-      --replace 'SET(CMAKE_OSX_ARCHITECTURES "x86_64")' ""
-
     # fix libdir=''${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
     sed -i 's,libdir=''${\(exec_\)\?prefix}/,libdir=,' lib3mf.pc.in
 
     # replace bundled binaries
-    for i in AutomaticComponentToolkit/bin/act.*; do
-      ln -sf ${automaticcomponenttoolkit}/bin/act $i
-    done
+    rm -r AutomaticComponentToolkit
+    ln -s ${automaticcomponenttoolkit}/bin AutomaticComponentToolkit
+
+    # unvendor Libraries
+    rm -r Libraries/{fast_float,googletest,libressl,libzip,zlib}
+
+    cat <<"EOF" >> Tests/CPP_Bindings/CMakeLists.txt
+    find_package(GTest REQUIRED)
+    target_link_libraries(''${TESTNAME} PRIVATE GTest::gtest)
+    EOF
+
+    mkdir Libraries/fast_float
+    ln -s ${lib.getInclude fast-float}/include/fast_float Libraries/fast_float/Include
+
+    # functions are no longer in openssl, remove them from test cleanup function
+    substituteInPlace Tests/CPP_Bindings/Source/UnitTest_EncryptionUtils.cpp \
+      --replace-warn "RAND_cleanup();" "" \
+      --replace-warn "EVP_cleanup();" "" \
+      --replace-warn "CRYPTO_cleanup_all_ex_data();" ""
   '';
 
+  doCheck = true;
+
   meta = with lib; {
     description = "Reference implementation of the 3D Manufacturing Format file standard";
     homepage = "https://3mf.io/";
diff --git a/pkgs/by-name/li/lib3mf/upgrade-to-cpp-14.patch b/pkgs/by-name/li/lib3mf/upgrade-to-cpp-14.patch
deleted file mode 100644
index a453571838d0e..0000000000000
--- a/pkgs/by-name/li/lib3mf/upgrade-to-cpp-14.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 9f719beb7..a20f84eb8 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -34,12 +34,12 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-   # using GCC
-   add_definitions(-DBUILD_DLL)
-   add_compile_options(-Wall)
--  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2")
-+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -O2")
- elseif ("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
-   # using GCC
-   add_definitions(-DBUILD_DLL)
-   add_compile_options(-Wall) 
--  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2")
-+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -O2")
-   set(CMAKE_MACOSX_RPATH ON)
- endif()