added recommended dpi which is 96

app.py

@@ -107,7 +107,7 @@ def compute_mm_per_pixel(path):
         return (1.0 / tick), "tickmarks"
 
     # C) Fallback 300 DPI
-    return (25.4 / 300.0), "fallback"
+    return (25.4 / 96.0), "fallback"
 
 
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