diff --git a/Radar.lua b/Radar.lua
index 8474444..7bc9e1e 100644
--- a/Radar.lua
+++ b/Radar.lua
@@ -165,42 +165,42 @@ local function GetNodeInfo(objectId)
     return nodes[objectId]
 end
 
+-- Define the crystal shape once, outside of the function
+local baseSize = 1.5
+local height = 3
+local halfHeight = height / 2
+
+local crystal_shape = {
+    -- Lines from v1 to v2, v3, v4, v5
+    {0, 0, 0, -baseSize, -baseSize, halfHeight},
+    {0, 0, 0,  baseSize, -baseSize, halfHeight},
+    {0, 0, 0,  baseSize,  baseSize, halfHeight},
+    {0, 0, 0, -baseSize,  baseSize, halfHeight},
+
+    -- Lines between v2-v3, v3-v4, v4-v5, v5-v2
+    {-baseSize, -baseSize, halfHeight,  baseSize, -baseSize, halfHeight},
+    { baseSize, -baseSize, halfHeight,  baseSize,  baseSize, halfHeight},
+    { baseSize,  baseSize, halfHeight, -baseSize,  baseSize, halfHeight},
+    {-baseSize,  baseSize, halfHeight, -baseSize, -baseSize, halfHeight},
+
+    -- Lines from v2, v3, v4, v5 to v6
+    {-baseSize, -baseSize, halfHeight, 0, 0, height},
+    { baseSize, -baseSize, halfHeight, 0, 0, height},
+    { baseSize,  baseSize, halfHeight, 0, 0, height},
+    {-baseSize,  baseSize, halfHeight, 0, 0, height},
+}
+
+-- Modify the DrawCrystalNode function
 local function DrawCrystalNode(draw, nx, ny, nz, color)
-    draw:SetColor(unpack(color))
+    draw:SetColor(color)
     draw:SetWidth(2)
     draw:SetAlpha(200)
 
-    local baseSize = 1.5
-    local height = 3
     local bobHeight = math.sin(GetTime() * 4) * 0.5
     local baseZ = nz + 5 + bobHeight
 
-    -- Bottom pyramid
-    local v1 = {nx, ny, baseZ}
-    local v2 = {nx - baseSize, ny - baseSize, baseZ + height/2}
-    local v3 = {nx + baseSize, ny - baseSize, baseZ + height/2}
-    local v4 = {nx + baseSize, ny + baseSize, baseZ + height/2}
-    local v5 = {nx - baseSize, ny + baseSize, baseZ + height/2}
-
-    -- Top pyramid
-    local v6 = {nx, ny, baseZ + height}
-
-    -- Draw bottom pyramid
-    draw:Line(v1[1], v1[2], v1[3], v2[1], v2[2], v2[3])
-    draw:Line(v1[1], v1[2], v1[3], v3[1], v3[2], v3[3])
-    draw:Line(v1[1], v1[2], v1[3], v4[1], v4[2], v4[3])
-    draw:Line(v1[1], v1[2], v1[3], v5[1], v5[2], v5[3])
-
-    draw:Line(v2[1], v2[2], v2[3], v3[1], v3[2], v3[3])
-    draw:Line(v3[1], v3[2], v3[3], v4[1], v4[2], v4[3])
-    draw:Line(v4[1], v4[2], v4[3], v5[1], v5[2], v5[3])
-    draw:Line(v5[1], v5[2], v5[3], v2[1], v2[2], v2[3])
-
-    -- Draw top pyramid
-    draw:Line(v2[1], v2[2], v2[3], v6[1], v6[2], v6[3])
-    draw:Line(v3[1], v3[2], v3[3], v6[1], v6[2], v6[3])
-    draw:Line(v4[1], v4[2], v4[3], v6[1], v6[2], v6[3])
-    draw:Line(v5[1], v5[2], v5[3], v6[1], v6[2], v6[3])
+    -- Use the pre-defined crystal_shape and position offsets
+    draw:Array(crystal_shape, nx, ny, baseZ)
 
     -- Draw a small sphere at the top for emphasis
     draw:Circle(nx, ny, baseZ + height + 0.5, 0.3)
@@ -226,7 +226,7 @@ local function DrawNode(draw, nodeInfo, nx, ny, nz, objectId)
         DrawCrystalNode(draw, nx, ny, nz, color)
         
         if Builder:GetConfig("draw_lines") == "yes" then
-            draw:SetColor(unpack(color))
+            draw:SetColor(color)
             draw:Line(px, py, pz, nx, ny, nz)
         end