diff --git a/samples/build_groups b/samples/build_groups
deleted file mode 160000
index 943d387..0000000
--- a/samples/build_groups
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 943d3871f97e8d29f197d91ae306578b2e6c8c78
diff --git a/samples/build_groups/.gitignore b/samples/build_groups/.gitignore
new file mode 100644
index 0000000..e33609d
--- /dev/null
+++ b/samples/build_groups/.gitignore
@@ -0,0 +1 @@
+*.png
diff --git a/samples/build_groups/Rakefile b/samples/build_groups/Rakefile
new file mode 100644
index 0000000..7aecac1
--- /dev/null
+++ b/samples/build_groups/Rakefile
@@ -0,0 +1,25 @@
+# Example Rakefile that makes use of build groups
+
+desc 'Build black-and-white by default'
+task default: [:bw]
+
+desc 'Build both bw and color'
+task both: [:bw, :color]
+
+desc 'Build black-and-white only'
+task :bw do
+  ENV['SQUIB_BUILD'] = 'print_n_play'
+  load 'build_groups.rb'
+end
+
+desc 'Build the color version only'
+task :color do
+  ENV['SQUIB_BUILD'] = 'color'
+  load 'build_groups.rb'
+end
+
+desc 'Build a test card'
+task :color do
+  ENV['SQUIB_BUILD'] = 'test'
+  load 'build_groups.rb'
+end
diff --git a/samples/build_groups/build_groups.rb b/samples/build_groups/build_groups.rb
new file mode 100644
index 0000000..a490dbe
--- /dev/null
+++ b/samples/build_groups/build_groups.rb
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+require 'squib'
+
+Squib::Deck.new(width: 75, height: 75, cards: 2) do
+  # puts "Groups enabled by environment: #{groups.to_a}"
+
+  text str: ['A', 'B']
+
+  build :print_n_play do
+    rect
+    save_sheet dir: '.', prefix: 'build_groups_bw_'
+  end
+
+  build :color do
+    rect stroke_color: :red, dash: '5 5'
+    save_png dir: '.', prefix: 'build_groups_color_'
+  end
+
+  build :test do
+    save_png range: 0, dir: '.', prefix: 'build_groups_'
+  end
+
+end
+
+# Here's how you can run this on the command line:
+#
+# --- OSX/Linux (bash or similar shells) ---
+# $ ruby build_groups.rb
+# $ SQUIB_BUILD=color ruby build_groups.rb
+# $ SQUIB_BUILD=print_n_play,test ruby build_groups.rb
+#
+# --- Windows CMD ---
+# $ ruby build_groups.rb
+# $ set SQUIB_BUILD=color && ruby build_groups.rb
+# $ set SQUIB_BUILD=print_n_play,test && ruby build_groups.rb
+#
+# Or, better yet... use a Rakefile like the one provided in this gist!