--- a
+++ b/examples/under-construction/arm2d.py
@@ -0,0 +1,15 @@
+import os
+from osim.env import Arm2DEnv
+import pprint
+import numpy as np
+
+env = Arm2DEnv()
+if __name__ == '__main__':
+    observation = env.reset()
+    env.osim_model.list_elements()
+    for i in range(3000):
+        action = env.action_space.sample()
+        observation, reward, done, info = env.step(action)
+        print(observation)
+        if done:
+            env.reset()