diff --git a/resources/builtin/alphanumeric/0.png b/resources/builtin/alphanumeric/0.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/0d.png b/resources/builtin/alphanumeric/0d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/1.png b/resources/builtin/alphanumeric/1.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/1d.png b/resources/builtin/alphanumeric/1d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/2.png b/resources/builtin/alphanumeric/2.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/2d.png b/resources/builtin/alphanumeric/2d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/3.png b/resources/builtin/alphanumeric/3.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/3d.png b/resources/builtin/alphanumeric/3d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/4.png b/resources/builtin/alphanumeric/4.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/4d.png b/resources/builtin/alphanumeric/4d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/5.png b/resources/builtin/alphanumeric/5.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/5d.png b/resources/builtin/alphanumeric/5d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/6.png b/resources/builtin/alphanumeric/6.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/6d.png b/resources/builtin/alphanumeric/6d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/7.png b/resources/builtin/alphanumeric/7.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/7d.png b/resources/builtin/alphanumeric/7d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/8.png b/resources/builtin/alphanumeric/8.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/8d.png b/resources/builtin/alphanumeric/8d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/9.png b/resources/builtin/alphanumeric/9.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/9d.png b/resources/builtin/alphanumeric/9d.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/A.png b/resources/builtin/alphanumeric/A.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Ad.png b/resources/builtin/alphanumeric/Ad.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/B.png b/resources/builtin/alphanumeric/B.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Bd.png b/resources/builtin/alphanumeric/Bd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/C.png b/resources/builtin/alphanumeric/C.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Cd.png b/resources/builtin/alphanumeric/Cd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/D.png b/resources/builtin/alphanumeric/D.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Dd.png b/resources/builtin/alphanumeric/Dd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/E.png b/resources/builtin/alphanumeric/E.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Ed.png b/resources/builtin/alphanumeric/Ed.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/F.png b/resources/builtin/alphanumeric/F.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Fd.png b/resources/builtin/alphanumeric/Fd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/G.png b/resources/builtin/alphanumeric/G.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Gd.png b/resources/builtin/alphanumeric/Gd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/H.png b/resources/builtin/alphanumeric/H.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Hd.png b/resources/builtin/alphanumeric/Hd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/I.png b/resources/builtin/alphanumeric/I.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Id.png b/resources/builtin/alphanumeric/Id.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/J.png b/resources/builtin/alphanumeric/J.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Jd.png b/resources/builtin/alphanumeric/Jd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/K.png b/resources/builtin/alphanumeric/K.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Kd.png b/resources/builtin/alphanumeric/Kd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/L.png b/resources/builtin/alphanumeric/L.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Ld.png b/resources/builtin/alphanumeric/Ld.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/M.png b/resources/builtin/alphanumeric/M.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Md.png b/resources/builtin/alphanumeric/Md.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/N.png b/resources/builtin/alphanumeric/N.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Nd.png b/resources/builtin/alphanumeric/Nd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/O.png b/resources/builtin/alphanumeric/O.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Od.png b/resources/builtin/alphanumeric/Od.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/P.png b/resources/builtin/alphanumeric/P.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Pd.png b/resources/builtin/alphanumeric/Pd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Q.png b/resources/builtin/alphanumeric/Q.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Qd.png b/resources/builtin/alphanumeric/Qd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/R.png b/resources/builtin/alphanumeric/R.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Rd.png b/resources/builtin/alphanumeric/Rd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/S.png b/resources/builtin/alphanumeric/S.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Sd.png b/resources/builtin/alphanumeric/Sd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Shrug.png b/resources/builtin/alphanumeric/Shrug.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Shrug2.png b/resources/builtin/alphanumeric/Shrug2.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/T.png b/resources/builtin/alphanumeric/T.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Td.png b/resources/builtin/alphanumeric/Td.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/U.png b/resources/builtin/alphanumeric/U.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Ud.png b/resources/builtin/alphanumeric/Ud.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/V.png b/resources/builtin/alphanumeric/V.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Vd.png b/resources/builtin/alphanumeric/Vd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/W.png b/resources/builtin/alphanumeric/W.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Wd.png b/resources/builtin/alphanumeric/Wd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/X.png b/resources/builtin/alphanumeric/X.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Xd.png b/resources/builtin/alphanumeric/Xd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Y.png b/resources/builtin/alphanumeric/Y.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Yd.png b/resources/builtin/alphanumeric/Yd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Z.png b/resources/builtin/alphanumeric/Z.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/Zd.png b/resources/builtin/alphanumeric/Zd.png
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/builtin/alphanumeric/shrug.png b/resources/builtin/alphanumeric/shrug.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2770,6 +2770,8 @@
     'PhabricatorFilesApplication' => 'applications/files/application/PhabricatorFilesApplication.php',
     'PhabricatorFilesApplicationStorageEnginePanel' => 'applications/files/applicationpanel/PhabricatorFilesApplicationStorageEnginePanel.php',
     'PhabricatorFilesBuiltinFile' => 'applications/files/builtin/PhabricatorFilesBuiltinFile.php',
+    'PhabricatorFilesComposeAvatarBuiltinFile' => 'applications/files/builtin/PhabricatorFilesComposeAvatarBuiltinFile.php',
+    'PhabricatorFilesComposeAvatarExample' => 'applications/uiexample/examples/PhabricatorFilesComposeAvatarExample.php',
     'PhabricatorFilesComposeIconBuiltinFile' => 'applications/files/builtin/PhabricatorFilesComposeIconBuiltinFile.php',
     'PhabricatorFilesConfigOptions' => 'applications/files/config/PhabricatorFilesConfigOptions.php',
     'PhabricatorFilesManagementCatWorkflow' => 'applications/files/management/PhabricatorFilesManagementCatWorkflow.php',
@@ -7853,6 +7855,8 @@
     'PhabricatorFilesApplication' => 'PhabricatorApplication',
     'PhabricatorFilesApplicationStorageEnginePanel' => 'PhabricatorApplicationConfigurationPanel',
     'PhabricatorFilesBuiltinFile' => 'Phobject',
+    'PhabricatorFilesComposeAvatarBuiltinFile' => 'PhabricatorFilesBuiltinFile',
+    'PhabricatorFilesComposeAvatarExample' => 'PhabricatorUIExample',
     'PhabricatorFilesComposeIconBuiltinFile' => 'PhabricatorFilesBuiltinFile',
     'PhabricatorFilesConfigOptions' => 'PhabricatorApplicationConfigOptions',
     'PhabricatorFilesManagementCatWorkflow' => 'PhabricatorFilesManagementWorkflow',
diff --git a/src/applications/files/builtin/PhabricatorFilesComposeAvatarBuiltinFile.php b/src/applications/files/builtin/PhabricatorFilesComposeAvatarBuiltinFile.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/builtin/PhabricatorFilesComposeAvatarBuiltinFile.php
@@ -0,0 +1,346 @@
+<?php
+
+final class PhabricatorFilesComposeAvatarBuiltinFile
+  extends PhabricatorFilesBuiltinFile {
+
+  private $icon;
+  private $color;
+  private $border;
+
+  public function setIcon($icon) {
+    $this->icon = $icon;
+    return $this;
+  }
+
+  public function getIcon() {
+    return $this->icon;
+  }
+
+  public function setColor($color) {
+    $this->color = $color;
+    return $this;
+  }
+
+  public function getColor() {
+    return $this->color;
+  }
+
+  public function setBorder($border) {
+    $this->border = $border;
+    return $this;
+  }
+
+  public function getBorder() {
+    return $this->border;
+  }
+
+  public function getBuiltinFileKey() {
+    $icon = $this->getIcon();
+    $color = $this->getColor();
+    $border = $this->getBorder();
+    $desc = "compose(icon={$icon}, color={$color}, border={$border}";
+    $hash = PhabricatorHash::digestToLength($desc, 40);
+    return "builtin:{$hash}";
+  }
+
+  public function getBuiltinDisplayName() {
+    $icon = $this->getIcon();
+    $color = $this->getColor();
+    $border = $this->getBorder();
+    return "{$icon}-{$color}-{$border}.png";
+  }
+
+  public function loadBuiltinFileData() {
+    return $this->composeImage(
+      $this->getColor(), $this->getIcon(), $this->getBorder());
+  }
+
+  private function composeImage($color, $icon, $border) {
+    // TODO
+  }
+
+  public static function getImageMap() {
+    $root = dirname(phutil_get_library_root('phabricator'));
+    $root = $root.'/resources/builtin/alphanumeric/';
+
+    $map = array();
+    $list = Filesystem::listDirectory($root, $include_hidden = false);
+    foreach ($list as $file) {
+      $key = 'alphanumeric/'.$file;
+      $map[$key] = $root.$file;
+    }
+
+    return $map;
+  }
+
+  public static function getColorMap() {
+    $map = array(
+      '#335862',
+      '#dfc47b',
+      '#2d5192',
+      '#c0bc6e',
+      '#3c5da0',
+      '#99cd86',
+      '#704889',
+      '#5ac59e',
+      '#984060',
+      '#33d4d1',
+      '#9c4050',
+      '#20d8fd',
+      '#944937',
+      '#4bd0e3',
+      '#a25542',
+      '#4eb4f3',
+      '#705412',
+      '#6da8ec',
+      '#545608',
+      '#829ce5',
+      '#68681d',
+      '#607bc2',
+      '#d1b66e',
+      '#4b69ad',
+      '#a4a154',
+      '#236ead',
+      '#daa969',
+      '#31a0de',
+      '#996f31',
+      '#4f8ed0',
+      '#846f2a',
+      '#bdb0f0',
+      '#518342',
+      '#9166aa',
+      '#5e904e',
+      '#f79dcc',
+      '#158e6b',
+      '#e189b7',
+      '#3ba984',
+      '#a85582',
+      '#4cccb7',
+      '#863d67',
+      '#84c08c',
+      '#7f4c7f',
+      '#a1bb7a',
+      '#65558f',
+      '#c2a962',
+      '#445082',
+      '#c9ca8e',
+      '#265582',
+      '#f4b189',
+      '#265582',
+      '#bd8f50',
+      '#40b8e1',
+      '#814a28',
+      '#80c8f6',
+      '#cf7b5d',
+      '#1db5c7',
+      '#c0606e',
+      '#299a89',
+      '#ef8ead',
+      '#296437',
+      '#d39edb',
+      '#507436',
+      '#b888c9',
+      '#476025',
+      '#9987c5',
+      '#828136',
+      '#7867a3',
+      '#769b5a',
+      '#c46e9d',
+      '#437d4e',
+      '#d17492',
+      '#115e41',
+      '#ec8794',
+      '#297153',
+      '#d67381',
+      '#57c2c3',
+      '#bc607f',
+      '#86ceac',
+      '#7e3e53',
+      '#72c8b8',
+      '#884349',
+      '#45a998',
+      '#faa38c',
+      '#265582',
+      '#ad954f',
+      '#265582',
+      '#e4b788',
+      '#265582',
+      '#bbbc81',
+      '#265582',
+      '#ccb781',
+      '#265582',
+      '#eb957f',
+      '#15729c',
+      '#cf996f',
+      '#369bc5',
+      '#b6685d',
+      '#2da0a1',
+      '#d38275',
+      '#217e70',
+      '#ec9da1',
+      '#146268',
+      '#e8aa95',
+      '#3c6796',
+      '#8da667',
+      '#935f93',
+      '#69a573',
+      '#ae78ad',
+      '#569160',
+      '#d898be',
+      '#525620',
+      '#8eb4e8',
+      '#5e622c',
+      '#929ad3',
+      '#6c8548',
+      '#576196',
+      '#aed0a0',
+      '#694e79',
+      '#9abb8d',
+      '#8c5175',
+      '#6bb391',
+      '#8b4a5f',
+      '#519878',
+      '#ae7196',
+      '#3d8465',
+      '#e69eb3',
+      '#48663d',
+      '#cdaede',
+      '#71743d',
+      '#63acda',
+      '#7b5d30',
+      '#66bed6',
+      '#a66c4e',
+      '#3585b0',
+      '#ba865c',
+      '#5880b0',
+      '#9b864d',
+      '#739acc',
+      '#9d764a',
+      '#48a3ba',
+      '#9d565b',
+      '#7fc4ca',
+      '#99566b',
+      '#94cabf',
+      '#7b4b49',
+      '#b1c8eb',
+      '#4e5632',
+      '#ecb2c3',
+      '#2d6158',
+      '#cf8287',
+      '#25889f',
+      '#b2696d',
+      '#6bafb6',
+      '#8c5744',
+      '#84b9d6',
+      '#725238',
+      '#9db3d6',
+      '#816f3e',
+      '#777cad',
+      '#a6a86e',
+      '#826693',
+      '#86a779',
+      '#9d7fad',
+      '#8b8e55',
+      '#b193c2',
+      '#547348',
+      '#d5adcb',
+      '#3f674d',
+      '#c98398',
+      '#66865a',
+      '#b2add6',
+      '#5a623d',
+      '#9793bb',
+      '#bea975',
+      '#3c5472',
+      '#d5c5a1',
+      '#5e5a7f',
+      '#b09c68',
+      '#2c647e',
+      '#d8b194',
+      '#49607f',
+      '#c7b794',
+      '#335862',
+      '#e3aba7',
+      '#335862',
+      '#d9b9ad',
+      '#335862',
+      '#c48975',
+      '#347b81',
+      '#ad697e',
+      '#799a6d',
+      '#916b88',
+      '#aeb68d',
+      '#69536b',
+      '#b4c4ad',
+      '#845865',
+      '#96b89d',
+      '#706d92',
+      '#9aa27a',
+      '#5b7292',
+      '#bc967b',
+      '#417792',
+      '#ce9793',
+      '#335862',
+      '#c898a5',
+      '#527a5f',
+      '#b38ba9',
+      '#648d72',
+      '#986b78',
+      '#79afa4',
+      '#966461',
+      '#50959b',
+      '#b27d7a',
+      '#335862',
+      '#b2a381',
+      '#335862',
+      '#bcadc4',
+      '#706343',
+      '#749ebc',
+      '#8c6a50',
+      '#92b8c4',
+      '#a07d62',
+      '#758cad',
+      '#868e67',
+      '#335862',
+      '#b6978c',
+      '#335862',
+      '#9e8f6e',
+      '#335862',
+      '#ac7e8b',
+      '#77a185',
+      '#807288',
+      '#636f51',
+      '#a192a9',
+      '#467a70',
+      '#9b7d73',
+      '#335862',
+      '#8a7c5b',
+      '#335862',
+      '#8c9c85',
+      '#335862',
+      '#81645a',
+      '#5f9489',
+      '#335862',
+      '#789da8',
+      '#335862',
+      '#72826c',
+      '#335862',
+      '#5c8596',
+      '#335862',
+      '#456a74',
+      '#335862',
+      '#335862',
+      '#335862',
+    );
+    return $map;
+  }
+
+  public static function getBorderMap() {
+    $map = array(
+      'rgba(0,0,0,.3);',        // Darker
+      'rgba(255,255,255,.5);',  // Lighter
+    );
+    return $map;
+  }
+
+}
diff --git a/src/applications/files/builtin/PhabricatorFilesOnDiskBuiltinFile.php b/src/applications/files/builtin/PhabricatorFilesOnDiskBuiltinFile.php
--- a/src/applications/files/builtin/PhabricatorFilesOnDiskBuiltinFile.php
+++ b/src/applications/files/builtin/PhabricatorFilesOnDiskBuiltinFile.php
@@ -45,11 +45,14 @@
     $root = $root.'/resources/builtin/';
 
     $map = array();
-    $list = Filesystem::listDirectory($root, $include_hidden = false);
+    $list = id(new FileFinder($root))
+      ->withType('f')
+      ->withFollowSymlinks(true)
+      ->find();
+
     foreach ($list as $file) {
       $map[$file] = $root.$file;
     }
-
     return $map;
   }
 
diff --git a/src/applications/uiexample/examples/PhabricatorFilesComposeAvatarExample.php b/src/applications/uiexample/examples/PhabricatorFilesComposeAvatarExample.php
new file mode 100644
--- /dev/null
+++ b/src/applications/uiexample/examples/PhabricatorFilesComposeAvatarExample.php
@@ -0,0 +1,77 @@
+<?php
+
+final class PhabricatorFilesComposeAvatarExample extends PhabricatorUIExample {
+
+  public function getName() {
+    return pht('Generate Avatar Images');
+  }
+
+  public function getDescription() {
+    return pht('Tests various color palettes and sizes.');
+  }
+
+  public function renderExample() {
+    $request = $this->getRequest();
+    $viewer = $request->getUser();
+
+    $colors = PhabricatorFilesComposeAvatarBuiltinFile::getColorMap();
+    $builtins = PhabricatorFilesComposeAvatarBuiltinFile::getImageMap();
+    $borders = PhabricatorFilesComposeAvatarBuiltinFile::getBorderMap();
+
+    shuffle($colors);
+    $images = array();
+    foreach ($builtins as $builtin => $raw_file) {
+      $file = PhabricatorFile::loadBuiltin($viewer, $builtin);
+      $images[] = $file->getBestURI();
+    }
+
+    $content = array();
+    foreach ($colors as $color) {
+      shuffle($borders);
+      $border = head($borders);
+
+      $styles = array();
+      $styles[] = 'background-color: '.$color.';';
+      $styles[] = 'display: inline-block;';
+      $styles[] = 'height: 46px;';
+      $styles[] = 'width: 46px;';
+      $styles[] = 'border-radius: 3px;';
+      $styles[] = 'border: 4px solid '.$border.';';
+
+      shuffle($images);
+      $png = head($images);
+
+      $image = phutil_tag(
+        'img',
+        array(
+          'src' => $png,
+          'height' => 46,
+          'width' => 46,
+        ));
+
+      $tag = phutil_tag(
+        'div',
+        array(
+          'style' => implode(' ', $styles),
+        ),
+        $image);
+
+      $content[] = phutil_tag(
+        'div',
+        array(
+          'class' => 'mlr mlb',
+          'style' => 'float: left;',
+        ),
+        $tag);
+    }
+
+    $view = phutil_tag_div('ml', $content);
+
+    return phutil_tag(
+      'div',
+        array(),
+        array(
+          $view,
+        ));
+      }
+}