diff --git a/src/kiri/main.js b/src/kiri/main.js
index baf970af..7a5215e1 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -387,7 +387,7 @@
         pos.y /= widgets.length;
         pos.z /= widgets.length;
         SPACE.platform.setCenter(pos.x, -pos.y, pos.z);
-        SPACE.view.setFocus(new THREE.Vector3(pos.x, pos.z, -pos.y));
+        SPACE.view.setFocus(new THREE.Vector3(pos.x, topZ / 2, -pos.y));
     }
 
     function reload() {
diff --git a/src/mode/fdm/prepare.js b/src/mode/fdm/prepare.js
index 9f9dfb8e..1dc989c7 100644
--- a/src/mode/fdm/prepare.js
+++ b/src/mode/fdm/prepare.js
@@ -290,7 +290,6 @@
         // establish offsets
         for (let widget of widgets) {
             let { rotinfo, belt } = widget;
-            console.log({rotinfo, belt, widget});
             let offset = widget.mesh ? Object.clone(widget.mesh.position) : {x:0, y:0, z:0};
             if (isBelt) {
                 offset.x = rotinfo.xpos;
@@ -482,7 +481,7 @@
                     lastout = rec;
                 }
                 // skip if brig trigger not met
-                if (firstLayerBrimTrig && mins > firstLayerBrimTrig) {
+                if (firstLayerBrimTrig > 0 && mins > firstLayerBrimTrig) {
                     continue;
                 }
                 // add brim, if specified
diff --git a/src/mode/fdm/slice.js b/src/mode/fdm/slice.js
index 270fc3c4..14d57358 100644
--- a/src/mode/fdm/slice.js
+++ b/src/mode/fdm/slice.js
@@ -921,8 +921,8 @@
         for (let sup of fixed) {
             let slice = findSlice(sup.z);
             let rem = addPillar(slice, sup);
-            let zmin = sup.z - sup.dh / 2;
-            let zmax = sup.z + sup.dh / 2;
+            let zmin = sup.z - (sup.dh * 0.75) / 2;
+            let zmax = sup.z + (sup.dh * 0.75) / 2;
             while (slice.up && slice.up.z <= zmax) {
                 slice = slice.up;
                 if (!addPillar(slice, sup)) {