diff --git a/draw/segdisp/doc/segment_placement.graffle b/draw/segdisp/sixteen/doc/segment_placement.graffle
similarity index 100%
rename from draw/segdisp/doc/segment_placement.graffle
rename to draw/segdisp/sixteen/doc/segment_placement.graffle
diff --git a/draw/segdisp/doc/segment_placement.svg b/draw/segdisp/sixteen/doc/segment_placement.svg
similarity index 100%
rename from draw/segdisp/doc/segment_placement.svg
rename to draw/segdisp/sixteen/doc/segment_placement.svg
diff --git a/draw/segdisp/segdisp.go b/draw/segdisp/sixteen/sixteen.go
similarity index 100%
rename from draw/segdisp/segdisp.go
rename to draw/segdisp/sixteen/sixteen.go
diff --git a/draw/segdisp/segdisp_test.go b/draw/segdisp/sixteen/sixteen_test.go
similarity index 100%
rename from draw/segdisp/segdisp_test.go
rename to draw/segdisp/sixteen/sixteen_test.go