diff --git a/build.gradle b/build.gradle
index 597daf446a..97595af258 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@ allprojects {
         appName = 'Mindustry'
         gdxVersion = '1.9.8'
         roboVMVersion = '2.3.0'
-        uCoreVersion = '484d62ff4bfe109c6af654f612debdb5ca27df76'
+        uCoreVersion = '92770a6b462953cb183e7d204f4fc8226b66b2a8'
 
         getVersionString = {
             String buildVersion = getBuildVersion()
diff --git a/core/assets-raw/sprites/shapes/shape-3.png b/core/assets-raw/sprites/shapes/shape-3.png
deleted file mode 100644
index 358facf7db..0000000000
Binary files a/core/assets-raw/sprites/shapes/shape-3.png and /dev/null differ
diff --git a/core/assets-raw/sprites/shapes/shape-4.png b/core/assets-raw/sprites/shapes/shape-4.png
deleted file mode 100644
index aaa6f23054..0000000000
Binary files a/core/assets-raw/sprites/shapes/shape-4.png and /dev/null differ
diff --git a/core/assets-raw/sprites/shapes/shape-5.png b/core/assets-raw/sprites/shapes/shape-5.png
deleted file mode 100644
index 9177493d46..0000000000
Binary files a/core/assets-raw/sprites/shapes/shape-5.png and /dev/null differ
diff --git a/core/assets-raw/sprites/shapes/shape-6.png b/core/assets-raw/sprites/shapes/shape-6.png
deleted file mode 100644
index 696f37e998..0000000000
Binary files a/core/assets-raw/sprites/shapes/shape-6.png and /dev/null differ
diff --git a/core/assets-raw/sprites/shapes/shape-7.png b/core/assets-raw/sprites/shapes/shape-7.png
deleted file mode 100644
index 7fa595765a..0000000000
Binary files a/core/assets-raw/sprites/shapes/shape-7.png and /dev/null differ
diff --git a/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java b/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
index 67e482a6f9..74592de7a4 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
@@ -222,7 +222,7 @@ public class ForceProjector extends Block {
         @Override
         public void draw(){
             Draw.color(Palette.accent);
-            Fill.polyTri(x, y, 6, realRadius(entity));
+            Fill.poly(x, y, 6, realRadius(entity));
             Draw.color();
         }
 
@@ -231,7 +231,7 @@ public class ForceProjector extends Block {
 
             Draw.color(Color.WHITE);
             Draw.alpha(entity.hit);
-            Fill.polyTri(x, y, 6, realRadius(entity));
+            Fill.poly(x, y, 6, realRadius(entity));
             Draw.color();
         }