diff --git a/vis/src/comps.hpp b/vis/src/comps.hpp
index 838a70a..d294d55 100644
--- a/vis/src/comps.hpp
+++ b/vis/src/comps.hpp
@@ -24,6 +24,7 @@ namespace vis {
         vec3 color;
 
         std::vector<std::vector<size_t>> exclude {{0, 1, 2}};
+        std::vector<std::vector<size_t>> include = combinations(generators(group), 3);
     };
 
     struct VBOs {
@@ -53,9 +54,7 @@ namespace vis {
             // todo generate all, then mask using glMultiDraw.
             const size_t N = 4;
 
-            auto gens = generators(group.group);
-            auto combos = combinations(gens, N - 1);
-            auto inds = merge<N>(hull<N>(group.group, combos, group.exclude));
+            auto inds = merge<N>(hull<N>(group.group, group.include, group.exclude));
 
             vbos.ibo.put(inds.begin(), inds.end());
         }
diff --git a/vis/src/main.cpp b/vis/src/main.cpp
index 8d0cebf..d65867b 100644
--- a/vis/src/main.cpp
+++ b/vis/src/main.cpp
@@ -130,7 +130,8 @@ void run(const std::string &config_file, GLFWwindow* window) {
             tc::schlafli({5, 3, 3, 2}),
             vec5{0.80, 0.09, 0.09, 0.09, 0.04},
             vec3{0.90, 0.90, 0.90},
-            std::vector<std::vector<size_t>>{{0, 1, 2}}
+            std::vector<std::vector<size_t>>{{0, 1, 2},
+                                             {0, 3, 4}, {1, 3, 4}, {2, 3, 4}}
         );
         registry.emplace<vis::VBOs>(entity);
     }