diff --git a/media.geo b/media.geo
index 72879308e77ffefd9389861eda59aac75c41ad4b..8eb157487b22c4f7aff2a33cf8e3786ae27f3496 100644
--- a/media.geo
+++ b/media.geo
@@ -1453,6 +1453,12 @@ STS_Cable_21	   1  54.938  25  0.5656
 		   0  1  20.  .001
 		   0
 
+// Polylatic Acid as specified by MT 20220707. 3D printed component.
+// (C3H4O2)n, with a density of 1.3 g/cm^3
+STS_PLA		   -3  1.0079  12.011  15.999  1.  6.  8. 1.3 4. 3. 2.
+                   0  1  20.  .001
+                   0
+
 tof_pole_aluminium 1  26.98 13. 2.7
                    0  1  20.  .001
                    0