diff --git a/components/calcModels.vue b/components/calcModels.vue
index f19a2f5..30b8192 100644
--- a/components/calcModels.vue
+++ b/components/calcModels.vue
@@ -62,7 +62,7 @@ watch([section_count, extra_section], () => {
                 </div>
             </template>
             <Loader />
-            <TresCanvas shadows>
+            <TresCanvas preset="realistic">
                 <TresPerspectiveCamera v-bind="cameraStat" ref="camera" />
                 <OrbitControls v-bind="controlsState" make-default />
                 <TresGroup :position-x="Math.min(section_count, max_size) * fence_section * -1" :position-y="-3">
diff --git a/components/calcValues.vue b/components/calcValues.vue
index ff1ed06..7ea9c6e 100644
--- a/components/calcValues.vue
+++ b/components/calcValues.vue
@@ -43,6 +43,7 @@ const form_state = reactive({
     auto_length: true,
     remove_pillar: false
 })
+let copy_form_state = Object.assign({}, form_state)
 const form_refs = {
     length: ref(),
     height: ref(),
@@ -50,9 +51,13 @@ const form_refs = {
 }
 
 const changeParametres = () => {
-    if (form_state.total_length * 1000 < parametric.length.min) {
+    // console.log(form_state.total_length * 1000, copy_form_state.total_length * 1000)
+
+    if ((form_state.total_length * 1000) <= (parametric.length.min + parametric.height.step)) {
+        form_state.total_length = (parametric.length.min + parametric.height.step) / 1000
         return
     }
+
     const lamelles = Math.floor(form_state.height / parametric.height.step)
 
     for (const key in form_state) {
@@ -68,7 +73,7 @@ const changeParametres = () => {
     }
 
     if (form_state.total_length_mm < form_state.length) {
-        form_state.length = form_state.total_length_mm
+        // form_state.length = form_state.total_length_mm
     }
     form_state.total_length_mm = form_state.total_length * 1000
 
@@ -109,6 +114,8 @@ const changeParametres = () => {
     form_state.length = length
     form_state.fence_length = fence_length
 
+    copy_form_state = Object.assign({}, form_state)
+
     total_length.value = form_state.total_length
     lamelles_count.value = lamelles
     fence_section.value = form_state.length * 0.001
@@ -125,17 +132,12 @@ const setLamelleColor = (color: ralTypes) => {
 const setPillarColor = (color: ralTypes) => {
     pillar_color.value = color
 }
-watch(form_state, changeParametres, { deep: true })
+watch(() => form_state, changeParametres, { deep: true })
 
 const isModalOpen = useState('modal_open', () => false)
 const toggleModal = () => {
     isModalOpen.value = !isModalOpen.value
 }
-const plurals = {
-    lamelle: { one: 'ламель', few: 'ламели', many: 'ламелей' },
-    fence: { one: 'cтолб', few: 'столба', many: 'столбов' },
-    section: { one: 'секция', few: 'секции', many: 'секций' },
-}
 const goal = (target: string, params: object) => {
     const nuxtApp = useNuxtApp()
     if (nuxtApp.$metrika) {
diff --git a/components/expDiagram.vue b/components/expDiagram.vue
index f6fc334..9f12a2f 100644
--- a/components/expDiagram.vue
+++ b/components/expDiagram.vue
@@ -63,7 +63,7 @@ onMounted(() => {
                     Загрузка 3D модели
                 </div>
             </template>
-            <TresCanvas height="600">
+            <TresCanvas height="600" preset="realistic" render-mode="on-demand">
                 <TresPerspectiveCamera :position="[-7, 2, 4]" ref="camera" />
                 <OrbitControls v-bind="controlsState" ref="controls" make-default />
                 <Suspense>
diff --git a/components/model/parametric.vue b/components/model/parametric.vue
index 6e6cb6b..9f5fb1f 100644
--- a/components/model/parametric.vue
+++ b/components/model/parametric.vue
@@ -15,7 +15,7 @@ const section_count = use_section_count()
 const extra_section = use_extra_section()
 const max_size = use_max_size()
 
-const { scene, renderer } = useTresContext()
+const { scene, renderer, camera } = useTresContext()
 renderer.value.toneMapping = CineonToneMapping
 renderer.value.toneMappingExposure = 0.5
 // renderer.value.gammaOutput = true
@@ -72,6 +72,7 @@ onMounted(async () => {
         'hdrmaps/hdr-gainmap.webp',
         'hdrmaps/hdr.json',
     ])
+    renderer.value.render(scene.value, camera.value)
     scene.value.environment = result.renderTarget.texture
     scene.value.background = result.renderTarget.texture
     scene.value.background.mapping = EquirectangularReflectionMapping