diff -r c4e2afabcb90 -r 16855456992d src/model.cpp
--- a/src/model.cpp	Mon Jun 20 22:21:53 2022 +0300
+++ b/src/model.cpp	Mon Jun 20 22:22:15 2022 +0300
@@ -38,23 +38,7 @@
 
 static constexpr const char* circularPrimitiveTypeString(const CircularPrimitive& circ)
 {
-	switch (circ.type) {
-	case CircularPrimitive::Circle:
-		return "edge";
-	case CircularPrimitive::Disc:
-		return "disc";
-	case CircularPrimitive::Cylinder:
-		return "cyli";
-	case CircularPrimitive::CylinderOpen:
-		return "cylo";
-	case CircularPrimitive::CylinderClosed:
-		return "cylc";
-	case CircularPrimitive::DiscNegative:
-		return "ndis";
-	case CircularPrimitive::Chord:
-		return "chrd";
-	}
-	return "";
+	return circularPrimitiveStems[circ.type];
 }
 
 static QString circularPrimitiveFilePath(const CircularPrimitive& circ)