diff --git a/assets/patterns/OpenCADStudio.pat b/assets/patterns/OpenCADStudio.pat
index 65b4d62ce..c722a0965 100644
--- a/assets/patterns/OpenCADStudio.pat
+++ b/assets/patterns/OpenCADStudio.pat
@@ -626,6 +626,25 @@
 0, 0,0, 0,.79375
 90, 0,0, 0,3.175
 
+*GRAVEL,GRAVEL
+-26.5651, 3.175,3.175, 22.7185,11.3592, 7.0995,-49.6966
+26.5651, 9.525,0, -22.7185,11.3592, 7.0995,-49.6966
+90, 15.875,3.175, 0,25.4, 6.35,-19.05
+-26.5651, 9.525,12.7, 22.7185,11.3592, 7.0995,-49.6966
+26.5651, 3.175,9.525, -22.7185,11.3592, 7.0995,-49.6966
+90, 3.175,3.175, 0,25.4, 6.35,-19.05
+45, 19.05,9.525, 17.9605,17.9605, 4.4901,-31.4309
+90, 22.225,12.7, 0,25.4, 6.35,-19.05
+-45, 19.05,22.225, 17.9605,17.9605, 4.4901,-31.4309
+63.4349, 15.875,15.875, 22.7185,11.3592, 7.0995,-49.6966
+-63.4349, 15.875,15.875, -22.7185,11.3592, 7.0995,-49.6966
+0, 3.175,15.875, 0,25.4, 6.35,-19.05
+45, 9.525,15.875, 17.9605,17.9605, 4.4901,-31.4309
+-45, 9.525,22.225, 17.9605,17.9605, 4.4901,-31.4309
+0, 3.175,22.225, 0,25.4, 6.35,-19.05
+45, 0,19.05, 17.9605,17.9605, 4.4901,-31.4309
+-45, 0,19.05, 17.9605,17.9605, 4.4901,-31.4309
+
 *HATCH-DOTS,HATCH-DOTS
 ;By John Hyslop,    Tile2Hatch tool CVH 2020
 ;Developed in mm as metric QCAD3 pattern