diff --git a/src/turtle/_impl/_turtle3d_impl.scad b/src/turtle/_impl/_turtle3d_impl.scad
index 50f6ea88..cffe27e0 100644
--- a/src/turtle/_impl/_turtle3d_impl.scad
+++ b/src/turtle/_impl/_turtle3d_impl.scad
@@ -116,14 +116,14 @@ function _turtle3d_create_cmd(arg1, arg2) =
     !is_undef(arg1) && !is_undef(arg2) ? _turtle3d_create(arg1, arg2) : undef;
     
 function _turtle3d_chain_move(cmd, arg1, arg2) =
-    cmd == "xu_move" ? _turtle3d_xu_move(arg1, arg2) : 
+    cmd == "xu_move" || cmd == "forward" ? _turtle3d_xu_move(arg1, arg2) : 
     cmd == "yu_move" ? _turtle3d_yu_move(arg1, arg2) : 
     cmd == "zu_move" ? _turtle3d_zu_move(arg1, arg2) : _turtle3d_chain_turn(cmd, arg1, arg2);
     
 function _turtle3d_chain_turn(cmd, arg1, arg2) = 
-    cmd == "xu_turn" ? _turtle3d_xu_turn(arg1, arg2) : 
-    cmd == "yu_turn" ? _turtle3d_yu_turn(arg1, arg2) : 
-    cmd == "zu_turn" ? _turtle3d_zu_turn(arg1, arg2) : _turtle3d_chain_one_arg(cmd, arg1);    
+    cmd == "xu_turn" || cmd == "roll" ? _turtle3d_xu_turn(arg1, arg2) : 
+    cmd == "yu_turn" || cmd == "pitch" ? _turtle3d_yu_turn(arg1, arg2) : 
+    cmd == "zu_turn" || cmd == "turn" ? _turtle3d_zu_turn(arg1, arg2) : _turtle3d_chain_one_arg(cmd, arg1);    
 
 function _turtle3d_chain_one_arg(cmd, arg) = 
     cmd == "pt" ? _turtle3d_pt(arg) :