diff --git a/Project.toml b/Project.toml
index 0b0159d..abbb80f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,6 +9,7 @@ ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 GLMakie = "e9467ef8-e4e7-5192-8a1a-b1aee30e663a"
 Manifolds = "1cead3c2-87b3-11e9-0ccd-23c62b72b94e"
+TensorCast = "02d47bb6-7ce6-556a-be16-bb1710789e2b"
 
 [compat]
 Caesar = "0.14"
@@ -16,6 +17,7 @@ ColorSchemes = "3"
 DocStringExtensions = "0.8, 0.9"
 GLMakie = "0.7, 0.8"
 Manifolds = "0.8.15"
+TensorCast = "0.4"
 julia = "1.8"
 
 [extras]
diff --git a/example/CommonUtils.jl b/example/CommonUtils.jl
deleted file mode 100644
index 54e92b9..0000000
--- a/example/CommonUtils.jl
+++ /dev/null
@@ -1,28 +0,0 @@
-
-
-
-function plotPointCloud(pca::_PCL.PointCloud; plotfnc=scatter, col=1, markersize=2)
-  vecX(pts) = (s->s.x).(pts)
-  vecY(pts) = (s->s.y).(pts)
-  vecZ(pts) = (s->s.z).(pts)
-
-  X = vecX(pca.points)
-  Y = vecY(pca.points)
-  Z = vecZ(pca.points)
-
-  plotfnc(X,Y,Z; color=[0;col*ones(length(Z)-1)], markersize)
-end
-
-function plotPointCloudPair(pca,pcb)
-  pl = plotPointCloud(pca; plotfnc=scatter, col=-0.5)
-  plotPointCloud(pcb; plotfnc=scatter!, col=0.0)
-  pl
-end
-
-
-function plotPointCloud2D(pc::_PCL.PointCloud)
-  x = (s->s.data[1]).(pc.points)
-  y = (s->s.data[2]).(pc.points)
-
-  Gadfly.plot(x=x,y=y, Main.Gadfly.Geom.point)
-end
diff --git a/src/Arena.jl b/src/Arena.jl
index 3b8b4ec..e8e7bb8 100644
--- a/src/Arena.jl
+++ b/src/Arena.jl
@@ -7,12 +7,11 @@ using Caesar
 # can switch to WGLMakie after https://github.com/SimonDanisch/JSServe.jl/issues/131
 using GLMakie
 using ColorSchemes
+using TensorCast
 
 # a lot of legacy code has been moved to the attic
 
-export plotPointCloud, plotPointCloudPair, plotPointCloud2D
-export plotGraphPointClouds
-
+include("Exports.jl")
 include("services/PlotPointCloudMap.jl")
 
 end # module
diff --git a/src/Exports.jl b/src/Exports.jl
new file mode 100644
index 0000000..7bc4ca6
--- /dev/null
+++ b/src/Exports.jl
@@ -0,0 +1,4 @@
+
+export plotPointCloud2D
+export plotPointCloud, plotPointCloudPair
+export plotGraphPointClouds
\ No newline at end of file
diff --git a/src/services/PlotPointCloudMap.jl b/src/services/PlotPointCloudMap.jl
index ca283b0..74aa43e 100644
--- a/src/services/PlotPointCloudMap.jl
+++ b/src/services/PlotPointCloudMap.jl
@@ -50,11 +50,13 @@ end
 
 
 function plotPointCloud2D(pc::Caesar._PCL.PointCloud)
-  x = (s->s.data[1]).(pc.points)
-  y = (s->s.data[2]).(pc.points)
+  xy = (s->s.data[1:2]).(pc.points)
 
-  error("TODO, convert to Makie")
-  # Gadfly.plot(x=x,y=y, Main.Gadfly.Geom.point)
+  @cast xy_[i,d] := xy[i][d]
+
+  f = Figure()
+  pos = f[1, 1]
+  scatter(pos, xy_)
 end