diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3d43339
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+build/
+__pycache__/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a41ccd..9ffb9a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,35 +1,12 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.14)
 project(pptk)
 
 set(CMAKE_BUILD_TYPE Release)
-set(CMAKE_MODULE_PATH
-  "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_CURRENT_SOURCE_DIR})
-
-find_package(PythonLibs 2.7 REQUIRED)
-find_package(OpenGL REQUIRED)
-find_package(Numpy REQUIRED)
-find_package(TBB REQUIRED)
-find_package(Eigen REQUIRED)
-find_package(Qt5 CONFIG REQUIRED COMPONENTS Widgets Network OpenGL Core)
-find_package(OpenMP)
-
-# get root Qt5 folder (i.e. contains bin, lib, plugins, etc.)
-get_target_property(Qt5_DIR Qt5::qmake LOCATION)
-get_filename_component(Qt5_DIR ${Qt5_DIR} DIRECTORY)
-get_filename_component(Qt5_DIR ${Qt5_DIR} DIRECTORY)
-set(Qt5_PLUGINS_DIR ${Qt5_DIR}/plugins)
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 
 # localize all dependencies (.dll, .so, or .dylib) in the following folder
 set(PPTK_LIBS_DIR ${PROJECT_BINARY_DIR}/pptk/libs)
 
-# use the following variable to store a list of .dll paths required by targets
-# built in pptk; this is useful only for building on Windows platform
-get_filename_component(TBB_RUNTIME_DIR ${TBB_tbb_RUNTIME} DIRECTORY)
-set(PPTK_DLL_DIRS
-  ${TBB_RUNTIME_DIR}
-  ${Qt5_DIR}/bin
-  CACHE INTERNAL "Additional folder paths for finding .dll's")
-
 # use patchelf to modify binary RPATH when building pptk on Linux
 if(UNIX AND NOT APPLE)
   find_program(PPTK_PATCHELF patchelf)
diff --git a/cmake/FindEigen.cmake b/cmake/FindEigen.cmake
deleted file mode 100644
index a8a1388..0000000
--- a/cmake/FindEigen.cmake
+++ /dev/null
@@ -1,5 +0,0 @@
-include(FindPackageHandleStandardArgs)
-
-set(Eigen_INCLUDE_DIR "Eigen_INCLUDE_DIR-NOTFOUND" CACHE PATH "Path containing Eigen folder")
-
-find_package_handle_standard_args(Eigen REQUIRED_VARS Eigen_INCLUDE_DIR)
diff --git a/cmake/FindNumpy.cmake b/cmake/FindNumpy.cmake
deleted file mode 100644
index 8dd8df4..0000000
--- a/cmake/FindNumpy.cmake
+++ /dev/null
@@ -1,5 +0,0 @@
-include(FindPackageHandleStandardArgs)
-
-set(Numpy_INCLUDE_DIR "Numpy_INCLUDE_DIR-NOTFOUND" CACHE PATH "Path of folder containing arrayobject.h")
-
-find_package_handle_standard_args(Numpy REQUIRED_VARS Numpy_INCLUDE_DIR)
diff --git a/cmake/FindTBB.cmake b/cmake/FindTBB.cmake
deleted file mode 100644
index c87118f..0000000
--- a/cmake/FindTBB.cmake
+++ /dev/null
@@ -1,16 +0,0 @@
-include(FindPackageHandleStandardArgs)
-
-set(TBB_INCLUDE_DIR "TBB_INCLUDE_DIR-NOTFOUND" CACHE PATH "Path to directory containing TBB header files")
-set(TBB_tbb_LIBRARY "TBB_tbb_LIBRARY-NOTFOUND" CACHE FILEPATH "Path to tbb link library (i.e. tbb.lib)")
-set(TBB_tbbmalloc_LIBRARY "TBB_tbbmalloc_LIBRARY-NOTFOUND" CACHE FILEPATH "Path to tbbmalloc link library (i.e. tbbmalloc.lib)")
-set(TBB_tbb_RUNTIME "TBB_tbb_RUNTIME-NOTFOUND" CACHE FILEPATH "Path to tbb runtime library (i.e. tbb.dll)")
-set(TBB_tbbmalloc_RUNTIME "TBB_tbbmalloc_RUNTIME-NOTFOUND" CACHE FILEPATH "Path to tbbmalloc runtime library (i.e. tbbmalloc.dll)")
-
-find_package_handle_standard_args(TBB
-  REQUIRED_VARS
-    TBB_INCLUDE_DIR
-    TBB_tbb_LIBRARY
-    TBB_tbbmalloc_LIBRARY
-    TBB_tbb_RUNTIME
-    TBB_tbbmalloc_RUNTIME
-)
diff --git a/cmake/UsefulMacros.cmake b/cmake/UsefulMacros.cmake
index 9eab9b5..ebb11dc 100644
--- a/cmake/UsefulMacros.cmake
+++ b/cmake/UsefulMacros.cmake
@@ -48,12 +48,14 @@ function(copy_target_dependencies x)
         ${PROJECT_SOURCE_DIR}/cmake/CopyAppleDependencies.cmake
         ${CMAKE_CURRENT_BINARY_DIR}/${_target_file_name} ${PPTK_LIBS_DIR})
   elseif(UNIX)
+    find_file(helper_script CopyLinuxDependencies.cmake 
+        PATHS ${CMAKE_MODULE_PATH} REQUIRED)
     add_custom_command(TARGET ${x} POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -P
-        ${PROJECT_SOURCE_DIR}/cmake/CopyLinuxDependencies.cmake
+      COMMAND ${CMAKE_COMMAND} -P ${helper_script}
         ${_target_file}
         ${CMAKE_CURRENT_BINARY_DIR}/${_target_file_name}
         ${PPTK_LIBS_DIR} ${PPTK_PATCHELF})
+    unset(helper_script CACHE) # find_file creates a cache variable, this is temporary
   endif()
 endfunction()
 
@@ -65,14 +67,16 @@ endmacro()
 function(copy_file x)
   # x should be a file path, and should not be a variable
   # i.e. copy_file(${var}), not copy_file(var)
-  get_filename_component(name ${x} NAME)
-  file(RELATIVE_PATH temp ${PROJECT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
-  if (NOT (temp STREQUAL ""))
-    string(REGEX REPLACE "(/|\\\\)" "." temp "${temp}")
-    string(CONCAT name "${temp}" "." "${name}")
+  get_filename_component(filename ${x} NAME)
+  file(RELATIVE_PATH rel_path ${PROJECT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
+  if (NOT (rel_path STREQUAL ""))
+    string(REGEX REPLACE "(/|\\\\)" "." rel_path "${rel_path}")
+    string(CONCAT target_name "${rel_path}" "." "${filename}")
+  else()
+    string(CONCAT target_name "${PROJECT_NAME}" "." "${filename}")
   endif()
   if (ARGC EQUAL 2)
-    set(${ARGV1} ${name} PARENT_SCOPE)
+    set(${ARGV1} ${target_name} PARENT_SCOPE)
   endif()
   if (NOT IS_ABSOLUTE ${x})
     set(src ${CMAKE_CURRENT_SOURCE_DIR}/${x})
@@ -80,7 +84,7 @@ function(copy_file x)
     set(src ${x})
   endif()
   set(dst ${CMAKE_CURRENT_BINARY_DIR})
-  add_custom_target(${name} ALL
+  add_custom_target(${target_name} ALL
     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
     COMMENT "Copying ${src} to ${dst}")
 endfunction()
diff --git a/pptk/include/python_util.h b/pptk/include/python_util.h
index 5b16c3b..b7ce238 100644
--- a/pptk/include/python_util.h
+++ b/pptk/include/python_util.h
@@ -4,7 +4,7 @@
 #include <cstdint>
 #include <vector>
 #include "Python.h"
-#include "arrayobject.h"
+#include "numpy/arrayobject.h"
 
 struct Array2D {
   const unsigned char* data;
diff --git a/pptk/kdtree/CMakeLists.txt b/pptk/kdtree/CMakeLists.txt
index 5dc0569..475014f 100644
--- a/pptk/kdtree/CMakeLists.txt
+++ b/pptk/kdtree/CMakeLists.txt
@@ -1,12 +1,11 @@
-# # Uncomment the following lines to run as standalone cmake script
-# cmake_minimum_required(VERSION 3.0)
-# project(kdtree)
+cmake_minimum_required(VERSION 3.14)
+project(kdtree)
 
-# set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake" ${CMAKE_CURRENT_SOURCE_DIR})
-# find_package(PythonLibs 2.7 REQUIRED)
-# find_package(Numpy REQUIRED)
-# find_package(TBB REQUIRED)
-# include(UsefulMacros)
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+
+find_package(Python3 COMPONENTS Interpreter Development NumPy)
+find_package(TBB COMPONENTS tbb tbbmalloc REQUIRED)
+include(UsefulMacros)
 
 add_library(kdtree SHARED kdtree_wrapper.cpp)
 set_target_python_module_name(kdtree)
@@ -24,12 +23,8 @@ target_compile_definitions(kdtree PRIVATE -DUSE_TBB)
 target_include_directories(kdtree PRIVATE
   ../include  # for python_util.h
   src         # for k-d tree source code
-  ${TBB_INCLUDE_DIR}
-  ${PYTHON_INCLUDE_DIR}
-  ${Numpy_INCLUDE_DIR} )
-target_link_libraries(kdtree
-  ${TBB_tbb_LIBRARY}
-  ${TBB_tbbmalloc_LIBRARY})
+)
+target_link_libraries(kdtree Python3::NumPy TBB::tbb TBB::tbbmalloc)
 copy_target(kdtree)
 copy_target_dependencies(kdtree)
 copy_file(__init__.py)
diff --git a/pptk/libs/CMakeLists.txt b/pptk/libs/CMakeLists.txt
index a0c691d..4e490d0 100644
--- a/pptk/libs/CMakeLists.txt
+++ b/pptk/libs/CMakeLists.txt
@@ -4,14 +4,14 @@ function(copy_system_file x)
   if(ARGC EQUAL 2)
     set(y ${ARGV1})
   endif()
-  find_file(temp ${x} ${y})
-  copy_file(${temp} _target)
+  find_file(file_loc ${x} PATHS ${y} REQUIRED)
+  copy_file(${file_loc} _target)
   if(UNIX AND NOT APPLE)
     add_custom_command(TARGET ${_target} POST_BUILD COMMAND
       ${PPTK_PATCHELF} --set-rpath \\\$\$ORIGIN
       ${CMAKE_CURRENT_BINARY_DIR}/${x})
   endif()
-  unset(temp CACHE)
+  unset(file_loc CACHE) # find_file creates a cache variable, this is temporary
 endfunction()
 
 function(copy_import_target x)
@@ -35,13 +35,14 @@ elseif (APPLE)
 elseif (UNIX)
   # create local copies of system libraries that are required by pptk targets
   # but not provided by a bare bone manylinux1 platform, as specified in PEP 513
-  if (CMAKE_LIBRARY_ARCHITECTURE)
-    set(_paths
-      /lib/${CMAKE_LIBRARY_ARCHITECTURE}
-      /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE})
-  endif()
-  copy_system_file(libgomp.so.1 "${_paths}")
-  copy_system_file(libz.so.1 "${_paths}")
+  find_package(OpenMP REQUIRED)
+  get_filename_component(gomp_file ${OpenMP_gomp_LIBRARY} NAME)
+  get_filename_component(gomp_path ${OpenMP_gomp_LIBRARY} DIRECTORY)
+  copy_system_file(${gomp_file} ${gomp_path})
+  find_package(ZLIB REQUIRED)
+  get_filename_component(zlib_file ${ZLIB_LIBRARY} NAME)
+  get_filename_component(zlib_path ${ZLIB_LIBRARY} DIRECTORY)
+  copy_system_file(${zlib_file} ${zlib_path})
 endif()
 
 add_subdirectory(qt_plugins)
diff --git a/pptk/libs/qt_plugins/platforms/CMakeLists.txt b/pptk/libs/qt_plugins/platforms/CMakeLists.txt
index 5492601..2b4d2b7 100644
--- a/pptk/libs/qt_plugins/platforms/CMakeLists.txt
+++ b/pptk/libs/qt_plugins/platforms/CMakeLists.txt
@@ -3,5 +3,7 @@ if(WIN32)
 elseif (APPLE)
   copy_file_with_dependencies(${Qt5_PLUGINS_DIR}/platforms/libqcocoa.dylib)
 elseif (UNIX)
-  copy_file_with_dependencies(${Qt5_PLUGINS_DIR}/platforms/libqxcb.so)
+  find_package(Qt5 COMPONENTS Gui REQUIRED)
+  get_target_property(xcb_loc Qt5::QXcbIntegrationPlugin LOCATION)
+  copy_file_with_dependencies(${xcb_loc})
 endif()
diff --git a/pptk/libs/qt_plugins/xcbglintegrations/CMakeLists.txt b/pptk/libs/qt_plugins/xcbglintegrations/CMakeLists.txt
index 497999d..6efd9b7 100644
--- a/pptk/libs/qt_plugins/xcbglintegrations/CMakeLists.txt
+++ b/pptk/libs/qt_plugins/xcbglintegrations/CMakeLists.txt
@@ -1,6 +1,7 @@
 if(UNIX AND NOT APPLE)
-  copy_file_with_dependencies(
-    ${Qt5_PLUGINS_DIR}/xcbglintegrations/libqxcb-egl-integration.so)
-  copy_file_with_dependencies(
-    ${Qt5_PLUGINS_DIR}/xcbglintegrations/libqxcb-glx-integration.so)
+  find_package(Qt5 COMPONENTS Gui REQUIRED)
+  get_target_property(xcb_egl_loc Qt5::QXcbEglIntegrationPlugin LOCATION)
+  copy_file_with_dependencies(${xcb_egl_loc})
+  get_target_property(xcb_glx_loc Qt5::QXcbGlxIntegrationPlugin LOCATION)
+  copy_file_with_dependencies(${xcb_glx_loc})
 endif()
diff --git a/pptk/processing/estimate_normals/CMakeLists.txt b/pptk/processing/estimate_normals/CMakeLists.txt
index 00f5284..8d74a75 100644
--- a/pptk/processing/estimate_normals/CMakeLists.txt
+++ b/pptk/processing/estimate_normals/CMakeLists.txt
@@ -1,14 +1,13 @@
-# # Uncomment the following lines to run as standalone cmake script
-# cmake_minimum_required(VERSION 3.0)
-# project(estimate_normals)
+cmake_minimum_required(VERSION 3.14)
+project(estimate_normals)
 
-# set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake" ${CMAKE_CURRENT_SOURCE_DIR})
-# find_package(PythonLibs 2.7 REQUIRED)
-# find_package(Numpy REQUIRED)
-# find_package(TBB REQUIRED)
-# find_package(Eigen REQUIRED)
-# include(UsefulMacros)
-# include(FindOpenMP)
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+
+find_package(Python3 COMPONENTS Interpreter Development NumPy)
+find_package(Eigen3 REQUIRED)
+find_package(TBB COMPONENTS tbb tbbmalloc REQUIRED)
+find_package(OpenMP REQUIRED)
+include(UsefulMacros)
 
 add_library(estimate_normals SHARED estimate_normals.cpp)
 set(_link_flags ${OpenMP_CXX_FLAGS})
@@ -24,16 +23,13 @@ set_target_properties(estimate_normals PROPERTIES
   LINK_FLAGS ${_link_flags})
 set_target_python_module_name(estimate_normals)
 target_compile_definitions(estimate_normals PRIVATE -DUSE_TBB)
-target_link_libraries(estimate_normals
-  ${TBB_tbb_LIBRARY}
-  ${TBB_tbbmalloc_LIBRARY})
+target_link_libraries(estimate_normals Python3::NumPy Eigen3::Eigen
+    TBB::tbb TBB::tbbmalloc
+)
 target_include_directories(estimate_normals PRIVATE
   ../../include     # for python_util.h
   ../../kdtree/src  # for kdtree.h
-  ${Eigen_INCLUDE_DIR}
-  ${PYTHON_INCLUDE_DIR}
-  ${TBB_INCLUDE_DIR}
-  ${Numpy_INCLUDE_DIR})
+)
 copy_target(estimate_normals)
 copy_target_dependencies(estimate_normals)
 copy_file(__init__.py)
diff --git a/pptk/processing/estimate_normals/estimate_normals.cpp b/pptk/processing/estimate_normals/estimate_normals.cpp
index a172399..b5e2d3a 100644
--- a/pptk/processing/estimate_normals/estimate_normals.cpp
+++ b/pptk/processing/estimate_normals/estimate_normals.cpp
@@ -5,7 +5,7 @@
 #include <limits>
 #include <vector>
 #include "Python.h"
-#include "arrayobject.h"
+#include "numpy/arrayobject.h"
 #include "kdtree.h"
 #include "progress_bar.h"
 #include "python_util.h"
diff --git a/pptk/vfuncs/CMakeLists.txt b/pptk/vfuncs/CMakeLists.txt
index 395db0c..baef6e1 100644
--- a/pptk/vfuncs/CMakeLists.txt
+++ b/pptk/vfuncs/CMakeLists.txt
@@ -1,14 +1,14 @@
-# # Uncomment the following lines to run as standalone cmake script
-# cmake_minimum_required(VERSION 3.0)
-# project(vfuncs)
+cmake_minimum_required(VERSION 3.14)
+project(vfuncs)
 
-# set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake" ${CMAKE_MODULE_PATH})
-# find_package(PythonLibs 2.7 REQUIRED)
-# find_package(Numpy REQUIRED)
-# find_package(Eigen REQUIRED)
-# include(UsefulMacros)
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+
+find_package(Python3 COMPONENTS Interpreter Development NumPy)
+find_package(Eigen3 REQUIRED)
+include(UsefulMacros)
 
 add_library(vfuncs SHARED vfuncs.cpp)
+target_link_libraries(vfuncs Eigen3::Eigen Python3::Python Python3::NumPy)
 set_target_python_module_name(vfuncs)
 if(WIN32)
     target_link_libraries(vfuncs ${PYTHON_LIBRARY})
@@ -21,9 +21,7 @@ elseif(UNIX)
 endif()
 target_include_directories(vfuncs PRIVATE
   ../include  # for python_util.h
-  ${PYTHON_INCLUDE_DIR}
-  ${Eigen_INCLUDE_DIR}
-  ${Numpy_INCLUDE_DIR})
+)
 copy_target(vfuncs)
 copy_target_dependencies(vfuncs)
 copy_file(__init__.py)
diff --git a/pptk/vfuncs/vfuncs.cpp b/pptk/vfuncs/vfuncs.cpp
index 6a379a4..67d8460 100644
--- a/pptk/vfuncs/vfuncs.cpp
+++ b/pptk/vfuncs/vfuncs.cpp
@@ -1,5 +1,5 @@
 #include "Python.h"
-#include "arrayobject.h"
+#include "numpy/arrayobject.h"
 #define EIGEN_NO_DEBUG  // comment this for runtime assertions
 #include <algorithm>
 #include <functional>
diff --git a/pptk/viewer/CMakeLists.txt b/pptk/viewer/CMakeLists.txt
index aa03e7b..c215749 100644
--- a/pptk/viewer/CMakeLists.txt
+++ b/pptk/viewer/CMakeLists.txt
@@ -1,12 +1,12 @@
-# # Uncomment the following lines to run as standalone cmake script
-# cmake_minimum_required(VERSION 2.8.11)
-# project(viewer)
+cmake_minimum_required(VERSION 3.14)
+project(viewer)
 
-# set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake" ${CMAKE_MODULE_PATH})
-# find_package(Eigen REQUIRED)
-# find_package(OpenGL REQUIRED)
-# find_package(Qt5 CONFIG REQUIRED COMPONENTS Widgets Network OpenGL Core)
-# include(UsefulMacros)
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+
+find_package(Eigen3 REQUIRED)
+find_package(OpenGL REQUIRED)
+find_package(Qt5 CONFIG REQUIRED COMPONENTS Widgets Network OpenGL Core)
+include(UsefulMacros)
 
 add_executable(viewer
   main.cpp
@@ -28,8 +28,9 @@ add_executable(viewer
   point_attributes.h)
 
 set_target_properties(viewer PROPERTIES AUTOMOC TRUE)
-target_link_libraries(viewer Qt5::Widgets Qt5::Network Qt5::OpenGL ${OPENGL_gl_LIBRARY})
-target_include_directories(viewer PRIVATE ${Eigen_INCLUDE_DIR} )
+target_link_libraries(viewer OpenGL Qt5::Widgets Qt5::Network Qt5::OpenGL
+    Eigen3::Eigen)
+target_include_directories(viewer PRIVATE )
 copy_target(viewer)
 copy_target_dependencies(viewer)
 copy_file(viewer.py)
diff --git a/setup.py b/setup.py
index 52da4f4..4bc9c62 100644
--- a/setup.py
+++ b/setup.py
@@ -6,11 +6,10 @@
 import shutil
 import platform
 
-from pip._internal import wheel
+import packaging.tags
 
-wheel_tags = wheel.pep425tags.get_supported()[0]
-
-system_type = platform.system()
+sys_tag = packaging.tags.sys_tags().__next__()
+system_type = sys_tag.platform
 
 license_text = b''
 with open('LICENSE', 'rb') as fd:
@@ -23,7 +22,7 @@
 def make_mod(x):
     if system_type == 'Windows':
         return x + '.pyd'
-    elif system_type == 'Linux':
+    elif "linux" in system_type.lower():
         return x + '.so'
     elif system_type == 'Darwin':
         return x + '.so'
@@ -34,7 +33,7 @@ def make_mod(x):
 def make_lib(x, version_suffix=''):
     if system_type == 'Windows':
         return x + '.dll'
-    elif system_type == 'Linux':
+    elif "linux" in system_type.lower():
         return 'lib' + x + '.so' + version_suffix
     elif system_type == 'Darwin':
         return 'lib' + x + '.dylib'
@@ -85,5 +84,5 @@ def list_libs():
         'pptk.vfuncs': [make_mod('vfuncs')],
         'pptk.viewer': [make_exe('viewer'), 'qt.conf']},
     options={'bdist_wheel': {
-        'python_tag': wheel_tags[0],
-        'plat_name': wheel_tags[2]}})
+        'python_tag': sys_tag.interpreter,
+        'plat_name': sys_tag.platform}})