Address comments
diff --git a/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js b/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
index 6e1e0e6..a0a11ad 100755
--- a/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
+++ b/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
@@ -173,7 +173,8 @@
         relationships: [],
     };
 
-    let zoom = d3.zoom().scaleExtent([0.1, 1.3]).on('zoom', onSvgZoom);
+    let viewportWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
+    let zoom = d3.zoom().scaleExtent([0.1, Math.max(1, 1 + log(viewportWidth/1024))]).on('zoom', onSvgZoom);
     _svg
         .attr('preserveAspectRatio', 'xMinYMin meet')
         .attr('viewBox', () => {