diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..c0c0747
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,32 @@
+# xo-facet/CMakeLists.txt
+
+cmake_minimum_required(VERSION 3.10)
+
+project(xo_facet VERSION 0.1)
+
+include(GNUInstallDirs)
+include(cmake/xo-bootstrap-macros.cmake)
+
+xo_cxx_toplevel_options3()
+
+# ----------------------------------------------------------------
+# c++ settings
+
+set(PROJECT_CXX_FLAGS "")
+#set(PROJECT_CXX_FLAGS "-fconcepts-diagnostics-depth=2")  # gcc-only!
+add_definitions(${PROJECT_CXX_FLAGS})
+
+# ----------------------------------------------------------------
+
+# must complete definition of expression lib before configuring examples
+#add_subdirectory(src/alloc)
+add_subdirectory(utest)
+#xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
+
+# ----------------------------------------------------------------
+# docs targets depend on other library/utest/exec targets above,
+# --> must come after them.
+#
+add_subdirectory(docs)
+
+# end CMakeLists.txt
diff --git a/cmake/xo-bootstrap-macros.cmake b/cmake/xo-bootstrap-macros.cmake
new file mode 100644
index 0000000..aba3116
--- /dev/null
+++ b/cmake/xo-bootstrap-macros.cmake
@@ -0,0 +1,35 @@
+# ----------------------------------------------------------------
+# for example:
+#   $ PREFIX=/usr/local   # for example
+#   $ cmake -DCMAKE_MODULE_PATH=prefix -DCMAKE_INSTALL_PREFIX=$PREFIX -B .build
+#
+# will get
+#   CMAKE_MODULE_PATH
+# from xo-cmake-config --cmake-module-path
+#
+# and expect .cmake macros in
+#   CMAKE_MODULE_PATH/xo_macros/xo_cxx.cmake
+# ----------------------------------------------------------------
+
+find_program(XO_CMAKE_CONFIG_EXECUTABLE NAMES xo-cmake-config REQUIRED)
+
+if ("${XO_CMAKE_CONFIG_EXECUTABLE}" STREQUAL "XO_CMAKE_CONFIG_EXECUTABLE-NOT_FOUND")
+    message(FATAL "could not find xo-cmake-config executable")
+endif()
+
+message(STATUS "XO_CMAKE_CONFIG_EXECUTABLE=${XO_CMAKE_CONFIG_EXECUTABLE}")
+
+if (NOT XO_SUBMODULE_BUILD)
+    if (("${CMAKE_MODULE_PATH}" STREQUAL "") OR ("${CMAKE_MODULE_PATH}" STREQUAL prefix))
+        # default to typical install location for xo-project-macros
+        execute_process(COMMAND ${XO_CMAKE_CONFIG_EXECUTABLE} --cmake-module-path OUTPUT_VARIABLE CMAKE_MODULE_PATH)
+        message(STATUS "CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}")
+    endif()
+endif()
+
+# needs to have been installed somewhere on CMAKE_MODULE_PATH,
+# (e.g. from xo-cmake with the same value for CMAKE_INSTALL_PREFIX)
+#
+include(xo_macros/xo_cxx)
+
+xo_cxx_bootstrap_message()
diff --git a/cmake/xo_facetConfig.cmake.in b/cmake/xo_facetConfig.cmake.in
new file mode 100644
index 0000000..c25a5c2
--- /dev/null
+++ b/cmake/xo_facetConfig.cmake.in
@@ -0,0 +1,7 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+#find_dependency(indentlog)
+#find_dependency(xo_flatstring)
+include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
+check_required_components("@PROJECT_NAME@")
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
new file mode 100644
index 0000000..0e07222
--- /dev/null
+++ b/docs/CMakeLists.txt
@@ -0,0 +1,14 @@
+# xo-facet/docs/CMakeLists.txt
+
+xo_doxygen_collect_deps()
+xo_docdir_doxygen_config()
+xo_docdir_sphinx_config(
+    index.rst
+    glossary.rst
+    #install.rst
+    #introduction.rst
+    #implementation.rst
+)
+
+# see xo-reader/doc or xo-unit/doc for working examples
+# example.rst install.rst implementation.rst
diff --git a/docs/conf.py b/docs/conf.py
new file mode 100644
index 0000000..71b0ff3
--- /dev/null
+++ b/docs/conf.py
@@ -0,0 +1,39 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Project information -----------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
+
+project = 'xo facete documentation'
+copyright = '2025, Roland Conybeare'
+author = 'Roland Conybeare'
+
+# -- General configuration ---------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
+
+#extensions = []
+extensions = [ "breathe",
+               "sphinx.ext.mathjax",     # inline math
+               "sphinx.ext.autodoc",     # generate info from docstrings
+               "sphinxcontrib.ditaa",    # diagrams-through-ascii-art
+               "sphinxcontrib.plantuml"  # text -> uml diagrams
+              ]
+
+# note: breathe requires doxygen xml output -> must have GENERATE_XML = YES in Doxyfile.in
+#       match project name in Doxyfile.in
+breathe_default_project = "xodoxxml"
+
+templates_path = ['_templates']
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+pygments_style = 'sphinx'
+
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
+
+#html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
+html_static_path = ['_static']
+html_favicon = '_static/img/favicon.ico'
diff --git a/docs/glossary.rst b/docs/glossary.rst
new file mode 100644
index 0000000..73dd5ea
--- /dev/null
+++ b/docs/glossary.rst
@@ -0,0 +1,8 @@
+.. _glossary:
+
+Glossary
+--------
+
+.. glossary::
+    fomo
+     | facet object model
diff --git a/docs/index.rst b/docs/index.rst
new file mode 100644
index 0000000..fdbef68
--- /dev/null
+++ b/docs/index.rst
@@ -0,0 +1,15 @@
+# xo-facet documentation master file
+
+xo-facet documentation
+======================
+
+xo-facet provides an object model that supports runtime polymorphism with interfaces and data kept separate.
+Similar to rust traits, haskell type clases, go interfaces.
+
+.. toctree::
+   :maxdepth: 2
+   :caption: xo-facet contents
+
+   glossary
+   genindex
+   search
diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
new file mode 100644
index 0000000..81ec6d9
--- /dev/null
+++ b/utest/CMakeLists.txt
@@ -0,0 +1,14 @@
+# xo-facet/utest/CMakeLists.txt
+#
+
+set(UTEST_EXE utest.facet)
+set(UTEST_SRCS
+    facet_utest_main.cpp
+    objectmodel.test.cpp)
+
+if (ENABLE_TESTING)
+    xo_add_utest_executable(${UTEST_EXE} ${UTEST_SRCS})
+    xo_external_target_dependency(${UTEST_EXE} Catch2 Catch2::Catch2)
+endif()
+
+# end CMakeLists.txt