Index: file_tri.c
===================================================================
--- file_tri.c	(revision 852)
+++ file_tri.c	(revision 853)
@@ -313,7 +313,9 @@
 
 if(i%3)
     {
-    printf("ERROR with object %s ... must be *3 !",filename);
+    raydium_log("ERROR: file: tri: object %s ... must be *3 !",filename);
+    raydium_log("This object is invalid, and current engine state undefined.");
+	raydium_log("***********************************************************");
     // and generate dummy vertices ?
     }