diff --git a/components/calcModels.vue b/components/calcModels.vue
index e5f6dde..1a03187 100644
--- a/components/calcModels.vue
+++ b/components/calcModels.vue
@@ -36,9 +36,11 @@ const loadAll = async () => {
     pointLight.value = light.children[2]
     pointLight.value.color = '#f0dea9'
     pointLight.value.intensity = pointLight.value.intensity * 0.1
-    // pointLight.value.intensity = 0
     pointLight.value.shadow.camera.near = 50
     pointLight.value.shadow.bias = -0.002
+    const j = 4
+    pointLight.value.shadow.mapSize.x = 512 * j
+    pointLight.value.shadow.mapSize.y = 512 * j
 
     const k = 5
     pointLight.value.position.x = pointLight.value.position.x * k
diff --git a/components/expDiagram.vue b/components/expDiagram.vue
index cb88808..f6fc334 100644
--- a/components/expDiagram.vue
+++ b/components/expDiagram.vue
@@ -81,8 +81,8 @@ onMounted(() => {
         </ClientOnly>
         <div class="canvas-icons">
             <a href="#" @click.prevent="toggleExpState">
-                <Icon name="mdi:checkbox-outline" v-if="explosion_state" />
-                <Icon name="mdi:square-outline" v-else />
+                <Icon name="mdi:arrow-collapse-horizontal" v-if="explosion_state" />
+                <Icon name="mdi:arrow-expand-horizontal" v-else />
             </a>
             <a href="#" @click.prevent="changeDistance(-0.5)"
                 :class="[{ 'disabled': camera ? (camera.position.distanceTo(new Vector3(0, 0, 0)) <= controlsState.minDistance) : null }]">
diff --git a/components/model/fence.vue b/components/model/fence.vue
index 8a13fce..44a200f 100644
--- a/components/model/fence.vue
+++ b/components/model/fence.vue
@@ -121,7 +121,7 @@ watch([section_count, fence_section, extra_section], () => {
         <TresGroup name="lam_fastening_two" :position-x="pillar_two_pos" :scale="[-1, lamelles_count, 1]">
             <TresObject3D v-bind="props.models.fastening.children[0]" />
         </TresGroup>
-        <TresGroup name="top_section" :scale-x="((extra as number) || fence_section) * 10"
+        <TresGroup name="top_section" :scale-x="((extra as number) || fence_section) * 10 + 0.1 * scale_koef"
             :position="[pillar_size * 0.5, lamelles_count * lSize, 0]">
             <TresObject3D v-bind="props.models.top.children[0]" />
         </TresGroup>
diff --git a/components/model/parametric.vue b/components/model/parametric.vue
index c32a2dd..6e6cb6b 100644
--- a/components/model/parametric.vue
+++ b/components/model/parametric.vue
@@ -77,7 +77,7 @@ onMounted(async () => {
     scene.value.background.mapping = EquirectangularReflectionMapping
     scene.value.backgroundRotation = new Euler(0, 10, 0)
     scene.value.backgroundIntensity = 1.5
-    scene.value.backgroundBlurriness = 0.05
+    scene.value.backgroundBlurriness = 0.06
     result.renderTarget.texture.dispose();
 })