diff --git a/cube.obj b/cube.obj
new file mode 100644
index 0000000..3f91d36
--- /dev/null
+++ b/cube.obj
@@ -0,0 +1,18 @@
+# Blender v2.83.4 OBJ File: ''
+# www.blender.org
+o Cube_Cube.001
+v -1.000000 -1.000000 1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 1.000000 -1.000000
+v -1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 1.000000
+s off
+f 1 2 3 4
+f 4 3 5 6
+f 6 5 7 8
+f 8 7 2 1
+f 4 6 8 1
+f 5 3 2 7
diff --git a/v-hacd.spec b/v-hacd.spec
index 9f91fd6..3016be6 100644
--- a/v-hacd.spec
+++ b/v-hacd.spec
@@ -1,7 +1,3 @@
-# TODO: Can we find a package with a suitable .obj file that we can use to run
-# the tests in EPEL10?
-%bcond tests %{expr:!0%{?el10}}
-
 Name:           v-hacd
 Version:        4.1.0
 Release:        %autorelease
@@ -10,7 +6,9 @@ Summary:        Decomposes a 3D surface into a set of “near” convex parts
 # The entire source is BSD-3-Clause, except:
 #   - app/wavefront.{h,cpp} are MIT
 License:        BSD-3-Clause AND MIT
-URL:            https://github.com/kmammou/%{name}
+# We use an OBJ file from mcut, which is LGPL-3.0-only, for testing: Source3
+SourceLicense:  %{license} AND LGPL-3.0-only
+URL:            https://github.com/kmammou/v-hacd
 # This has the app/meshes/ directory stripped out. The .obj files therein have
 # unclear or unspecified licenses, which makes them unsuitable for Fedora.
 #
@@ -18,24 +16,21 @@ URL:            https://github.com/kmammou/%{name}
 # README.rst as a sanity check.
 #
 # Generated with ./get_source.sh %%{version}
-Source0:        %{name}-%{version}-filtered.tar.zst
+Source0:        v-hacd-%{version}-filtered.tar.zst
 # Script to generate Source0; see comments above.
 Source1:        get_source.sh
 # Man page hand-written for Fedora in groff_man(7) format based on help output
 # and README.md contents.
 Source2:        TestVHACD.1
+# Very trivial OBJ mesh file from mcut, which is LGPL-3.0-only
+Source3:        https://github.com/cutdigital/mcut/raw/refs/tags/v1.3.0/tutorials/BasicCmdLineApp/data/cube.obj
+
+BuildSystem:    cmake
 
 # https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
 ExcludeArch:    %{ix86}
 
 BuildRequires:  gcc-c++
-BuildRequires:  cmake
-# Our choice; the make backend would work just fine.
-BuildRequires:  ninja-build
-
-%if %{with tests}
-BuildRequires:  vtk-data
-%endif
 
 %global common_description %{expand:
 The V-HACD library decomposes a 3D surface into a set of “near” convex parts.
@@ -71,15 +66,14 @@ Summary:        Development files for V-HACD
 # The MIT-licensed app/wavefront.{h,cpp} do not contribute to this subpackage.
 License:        BSD-3-Clause
 
-
 BuildArch:      noarch
 
 # https://docs.fedoraproject.org/en-US/packaging-guidelines/#_packaging_header_only_libraries
-Provides:       %{name}-static = %{?epoch:%{epoch}:}%{version}-%{release}
+Provides:       v-hacd-static = %{?epoch:%{epoch}:}%{version}-%{release}
 
 %description    devel %{common_description}
 
-The %{name}-devel package contains the header-only library for developing
+The v-hacd-devel package contains the header-only library for developing
 applications that use V-HACD.
 
 
@@ -95,44 +89,36 @@ License:        BSD-3-Clause AND MIT
 
 %description    tools %{common_description}
 
-The %{name}-tools package contains command-line tools based on the V-HACD
+The v-hacd-tools package contains command-line tools based on the V-HACD
 library. Currently, this means TestVHACD; despite the name, this tool has
 general utility beyond testing.
 
 
-%prep
-%autosetup -n %{name}-%{version}
+%conf -p
+cd app
 
 
-%build
-pushd app >/dev/null
-%cmake -GNinja
-%cmake_build
-popd >/dev/null
+%build -p
+cd app
 
 
 %install
-pushd app >/dev/null
+install -D --preserve-timestamps --mode=0644 \
+    --target='%{buildroot}%{_includedir}' 'include/VHACD.h'
+install -D --preserve-timestamps --mode=0644 \
+    --target='%{buildroot}%{_mandir}/man1' '%{SOURCE2}'
+
+cd app
 # There are currently no install targets in app/CMakeLists.txt, so
 # %%cmake_install will not work. We install the executable manually instead.
-install -t '%{buildroot}%{_bindir}' -p -D '%{_vpath_builddir}/TestVHACD'
-popd >/dev/null
-
-install -t '%{buildroot}%{_includedir}' -m 0644 -p -D 'include/VHACD.h'
-
-install -t '%{buildroot}%{_mandir}/man1' -m 0644 -p -D '%{SOURCE2}'
+install -D --preserve-timestamps \
+    --target='%{buildroot}%{_bindir}' '%{_vpath_builddir}/TestVHACD'
 
 
-%if %{with tests}
 %check
 # Use the example from README.md as a sanity check, but use an arbitrary mesh
-# from vtk as input since we cannot ship upstream’s sample meshes. Decrease the
-# max recursion depth from 15 to the default (10) so this doesn’t explode on
-# 32-bit ARM in Fedora 36.
-%{buildroot}%{_bindir}/TestVHACD \
-    %{_datadir}/vtkdata/Testing/Data/Viewpoint/cow.obj \
-    -e 0.01 -d 10 -r 10000000 -r 128
-%endif
+# as input since we cannot ship upstream’s sample meshes.
+%{buildroot}%{_bindir}/TestVHACD '%{SOURCE3}' -e 0.01 -d 15 -r 10000000 -r 128
 
 
 %files devel