diff -r ecb6ea961b1e -r 04af56fa8ce6 src/primitives.cpp
--- a/src/primitives.cpp	Wed Jan 10 23:07:01 2018 +0200
+++ b/src/primitives.cpp	Thu Jan 11 00:39:00 2018 +0200
@@ -591,6 +591,16 @@
 	return prefix + frac + root + numstr + ".dat";
 }
 
+const char* unofficialPrimitiveType(int divisions)
+{
+	if (divisions == 48)
+		return "!LDRAW_ORG Unofficial_48_Primitive";
+	else if (divisions == 8)
+		return "!LDRAW_ORG Unofficial_8_Primitive";
+	else
+		return "!LDRAW_ORG Unofficial_Primitive";
+}
+
 // =============================================================================
 //
 LDDocument* GeneratePrimitive(PrimitiveType type, int segs, int divs, int num)
@@ -636,8 +646,7 @@
 	objs << LDSpawn<LDComment>(descr)
 		 << LDSpawn<LDComment>(format("Name: %1", name))
 		 << LDSpawn<LDComment>(format("Author: %1", author))
-		 << LDSpawn<LDComment>(format("!LDRAW_ORG Unofficial_%1Primitive",
-									  divs == HighResolution ?  "48_" : ""))
+		 << LDSpawn<LDComment>(unofficialPrimitiveType(divs))
 		 << LDSpawn<LDComment>(license)
 		 << LDSpawn<LDEmpty>()
 		 << LDSpawn<LDBfc>(BfcStatement::CertifyCCW)