diff --git a/shapes/cube.json b/shapes/cube.json
deleted file mode 100644
index b6bce48..0000000
--- a/shapes/cube.json
+++ /dev/null
@@ -1,8 +0,0 @@
-[
-    [[1,1,1], [-1,1,1], [-1,-1,1], [1,-1,1]],
-    [[1,1,-1], [-1,1,-1], [-1,-1,-1], [1,-1,-1]],
-    [[-1,-1,-1], [-1,1,-1], [-1,1,1], [-1,-1,1]],
-    [[1,-1,-1], [1,1,-1], [1,1,1], [1,-1,1]],
-    [[-1,-1,-1], [1,-1,-1], [1,-1,1], [-1,-1,1]],
-    [[-1,1,-1], [1,1,-1], [1,1,1], [-1,1,1]]
-]
diff --git a/shapes/cube.ply b/shapes/cube.ply
new file mode 100644
index 0000000..eff5c46
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diff --git a/shapes/dodecahedron.ply b/shapes/dodecahedron.ply
new file mode 100644
index 0000000..484f69c
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diff --git a/shapes/icosahedron.ply b/shapes/icosahedron.ply
new file mode 100644
index 0000000..9d668f8
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diff --git a/shapes/octahedron.json b/shapes/octahedron.json
deleted file mode 100644
index 3bec92b..0000000
--- a/shapes/octahedron.json
+++ /dev/null
@@ -1,10 +0,0 @@
-[
-    [[0,0,1], [-1,0,0], [0,-1,0]],
-    [[0,0,1], [0,-1,0], [1,0,0]],
-    [[0,0,1], [1,0,0], [0,1,0]],
-    [[0,0,1], [0,1,0], [-1,0,0]],
-    [[0,0,-1], [-1,0,0], [0,-1,0]],
-    [[0,0,-1], [0,-1,0], [1,0,0]],
-    [[0,0,-1], [1,0,0], [0,1,0]],
-    [[0,0,-1], [0,1,0], [-1,0,0]]
-]
diff --git a/shapes/octahedron.ply b/shapes/octahedron.ply
new file mode 100644
index 0000000..9b56b26
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diff --git a/shapes/pentakisicosidodecahedron.ply b/shapes/pentakisicosidodecahedron.ply
new file mode 100644
index 0000000..7f0581a
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diff --git a/shapes/tetrahedron.json b/shapes/tetrahedron.json
deleted file mode 100644
index f214b1d..0000000
--- a/shapes/tetrahedron.json
+++ /dev/null
@@ -1,6 +0,0 @@
-[
-    [[1,1,1], [1,-1,-1], [-1,1,-1]],
-    [[1,1,1], [1,-1,-1], [-1,-1,1]],
-    [[1,1,1], [-1,1,-1], [-1,-1,1]],
-    [[1,-1,-1], [-1,1,-1], [-1,-1,1]]
-]
diff --git a/shapes/tetrahedron.ply b/shapes/tetrahedron.ply
new file mode 100644
index 0000000..64770da
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