diff --git a/app/components/renderers/f3d.rb b/app/components/renderers/f3d.rb
new file mode 100644
index 000000000..bdcee2a92
--- /dev/null
+++ b/app/components/renderers/f3d.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+class Components::Renderers::F3d < Components::Renderers::Base
+  include Phlex::Rails::Helpers::NumberToHumanSize
+
+  def self.supports?(file)
+    FileHandlers::F3dWasm.can_load? file&.mime_type
+  end
+
+  def before_template
+    @settings = current_user&.renderer_settings || SiteSettings::UserDefaults::RENDERER
+    @loading_bar_position_classes = @file.has_render? ?
+      "btn-sm mt-3 translate-middle-x translate-top" :
+      "top-50 translate-middle"
+  end
+
+  def view_template
+    div class: "position-relative", data: {turbo_permanent: true} do
+      img src: model_model_file_path(@file.model, @file, format: @file.extension, derivative: :render), class: "card-img-top image-preview", alt: @file.name if @file.has_render?
+      canvas id: "file-#{@file.to_param}",
+        class: "object-preview position-relative",
+        tabindex: "0",
+        data: {
+          controller: "f3d-renderer",
+          preview_url: model_model_file_raw_path(@file.model, @file.filename),
+          format: @file.extension,
+          y_up: @file.y_up.to_s,
+          grid_size_x: @settings["grid_width"],
+          grid_size_z: @settings["grid_depth"],
+          show_grid: @settings["show_grid"].to_s,
+          enable_pan_zoom: @settings["enable_pan_zoom"].to_s,
+          background_colour: @settings["background_colour"],
+          object_colour: @settings["object_colour"],
+          render_style: @settings["render_style"],
+          auto_load: ((@file.size || 9_999_999.megabytes) < (@settings["auto_load_max_size"] || 9_999_999).megabytes) ? "true" : "false"
+        }
+      div class: "p-0 btn btn-secondary load-progress object-preview-progress position-absolute start-50 #{@loading_bar_position_classes}", role: "presentation" do
+        div class: "progress-bar bg-info progress-bar-animated progress-bar-striped", role: "progressbar", style: "width: 0%; height: 100%",
+          aria_label: "Loading progress", aria_valuenow: "0", aria_valuemin: "0", aria_valuemax: "100"
+        span class: "progress-label position-absolute top-50 start-50 translate-middle", role: "button" do
+          Icon icon: "box"
+          whitespace
+          span { t("renderer.load") }
+          whitespace
+          span { "(#{number_to_human_size @file.size, precision: 2})" }
+        end
+      end
+    end
+  end
+end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index dfd9e16af..6dcb86ec7 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -109,7 +109,7 @@ class ApplicationController < ActionController::Base
     content_security_policy.img_src(*img_src)
     content_security_policy.worker_src :self, :blob
     content_security_policy.object_src :none
-    content_security_policy.script_src :self
+    content_security_policy.script_src :self, :unsafe_eval
     content_security_policy.style_src :self
     content_security_policy.style_src_attr :unsafe_inline
     content_security_policy.style_src_elem :self, "https://fonts.googleapis.com"
diff --git a/app/frontend/javascript/controllers/f3d_renderer_controller.ts b/app/frontend/javascript/controllers/f3d_renderer_controller.ts
new file mode 100644
index 000000000..33ff78e9c
--- /dev/null
+++ b/app/frontend/javascript/controllers/f3d_renderer_controller.ts
@@ -0,0 +1,118 @@
+import { Controller } from '@hotwired/stimulus'
+import f3d from 'f3d'
+
+// Connects to data-controller="f3d-renderer"
+export default class extends Controller {
+  engine: any
+  progressBar: HTMLDivElement | null
+  progressLabel: HTMLSpanElement | null
+
+  connect (): void {
+    this.progressBar = this.element.parentElement?.getElementsByClassName('progress-bar')[0] as HTMLDivElement
+    this.progressLabel = this.element.parentElement?.getElementsByClassName('progress-label')[0] as HTMLSpanElement
+    const loadButton = this.element.parentElement?.getElementsByClassName('object-preview-progress')[0] as HTMLDivElement
+    loadButton.addEventListener('click', this.load.bind(this))
+  }
+
+  async init (data: Uint8Array): Promise<void> {
+    const settings = {
+      canvas: this.element
+    }
+    await f3d(settings).then(async (F3D) => {
+      F3D.Engine.autoloadPlugins()
+      // Uncomment this to get an updated list of formats in dev
+      // console.log(`F3D supported types: ${F3D.Engine.getReadersInfo().map((reader) => (`${reader["extensions"][0]}: ${reader["mimeTypes"][0]}`)).flat()}`);
+      this.engine = F3D.Engine.create(`#${this.element.id}`)
+      const options = this.engine.getOptions()
+
+      // Set renderer options the same as the CLI version
+      options.setAsString('render.effect.ambient_occlusion', 'true')
+      options.setAsString('render.effect.antialiasing.mode', 'fxaa')
+      options.setAsString('render.effect.blending.mode', 'ddp')
+      options.setAsString('render.background.color', '#000000')
+      options.setAsString('render.grid.enable', 'true')
+      options.setAsString('render.grid.color', '#00ffff')
+      options.setAsString('render.grid.subdivisions', '0')
+      options.setAsString('render.grid.unit', '10')
+      options.setAsString('render.effect.tone_mapping', 'true')
+      options.setAsString('scene.animation.autoplay', 'true')
+
+      const canvas = this.element as HTMLCanvasElement
+
+      options.setAsString('scene.up_direction', canvas.dataset.yUp === 'true' ? '+Y' : '+Z')
+
+      const scale = window.devicePixelRatio
+      console.log(scale * canvas.clientWidth)
+      console.log(scale * canvas.clientHeight)
+      this.engine.getWindow().setSize(scale * canvas.clientWidth, scale * canvas.clientHeight)
+
+      const scene = this.engine.getScene()
+      scene.clear()
+      try {
+        scene.addBuffer(data)
+      } catch (e) {
+        console.log(e)
+        if (this.progressBar && this.progressLabel) {
+          this.progressBar.classList.add('bg-danger')
+          this.progressBar.style.width = this.progressBar.ariaValueNow = '100%'
+          this.progressLabel.textContent = window.i18n.t('renderer.errors.load') // i18n-tasks-use t('renderer.errors.load')
+        }
+        return
+      }
+
+      this.progressBar?.parentElement?.remove()
+      this.progressBar = null
+      this.progressLabel = null
+      canvas.style.backgroundColor = 'black'
+
+      const camera = this.engine.getWindow().getCamera()
+      const foc = camera.focalPoint
+
+      const dir = canvas.dataset.yUp === 'true' ? [-1, -0.5, -1] : [-1, 1, -0.5]
+      const pos = [0, 0, 0]
+      for (let i = 0; i < 3; i++) {
+        pos[i] = foc[i] - dir[i]
+      }
+      camera.position = pos
+      camera.resetToBounds(0.9)
+      this.engine.getWindow().render()
+      this.engine.getInteractor().start()
+    })
+  }
+
+  async load (): Promise<void> {
+    const url = (this.element as HTMLCanvasElement).dataset.previewUrl
+    if (url != null) {
+      const xhr = new XMLHttpRequest()
+      xhr.open('GET', url)
+      xhr.responseType = 'arraybuffer'
+      xhr.addEventListener('progress', this.onLoadProgress.bind(this))
+      xhr.addEventListener('error', this.onLoadError.bind(this))
+      xhr.onreadystatechange = function () {
+        if (xhr.readyState === XMLHttpRequest.DONE) {
+          this.init(new Uint8Array(xhr.response))
+        }
+      }.bind(this)
+      xhr.send()
+    }
+  }
+
+  onLoadProgress (event): void {
+    const percentage = Math.round((event.loaded / event.total) * 100)
+    if ((this.progressBar == null) || (this.progressLabel == null)) { return }
+    if (percentage === 100) {
+      this.progressLabel.textContent = window.i18n.t('renderer.processing') // i18n-tasks-use t('renderer.processing')
+    } else {
+      this.progressLabel.textContent = `${percentage}%`
+    }
+    this.progressBar.style.width = `${percentage}%`
+    this.progressBar.ariaValueNow = percentage.toString()
+  }
+
+  onLoadError (): void {
+    if ((this.progressBar == null) || (this.progressLabel == null)) { return }
+    this.progressBar.classList.add('bg-danger')
+    this.progressBar.style.width = this.progressBar.ariaValueNow = '100%'
+    this.progressLabel.textContent = window.i18n.t('renderer.errors.load') // i18n-tasks-use t('renderer.errors.load')
+  }
+}
diff --git a/app/frontend/javascript/controllers/index.ts b/app/frontend/javascript/controllers/index.ts
index 07b58f469..8a48aa71c 100644
--- a/app/frontend/javascript/controllers/index.ts
+++ b/app/frontend/javascript/controllers/index.ts
@@ -11,6 +11,7 @@ import CocoonedController from './cocooned_controller'
 import CollectionInputController from './collection_input_controller'
 import CopyTextController from './copy_text_controller'
 import EditableController from './editable_controller'
+import F3dRendererController from './f3d_renderer_controller'
 import I18nController from './i18n_controller'
 import ModelSelectController from './model_select_controller'
 import ObfuscatedTextController from './obfuscated_text_controller'
@@ -30,6 +31,7 @@ application.register('cocooned', CocoonedController)
 application.register('collection-input', CollectionInputController)
 application.register('copy-text', CopyTextController)
 application.register('editable', EditableController)
+application.register('f3d-renderer', F3dRendererController)
 application.register('i18n', I18nController)
 application.register('model-select', ModelSelectController)
 application.register('obfuscated-text', ObfuscatedTextController)
diff --git a/app/jobs/upgrade/backfill_model_renders.rb b/app/jobs/upgrade/backfill_model_renders.rb
index e28bdcdcb..2f2023f63 100644
--- a/app/jobs/upgrade/backfill_model_renders.rb
+++ b/app/jobs/upgrade/backfill_model_renders.rb
@@ -2,7 +2,7 @@ class Upgrade::BackfillModelRenders < Upgrade::BackfillDerivativesBase
   queue_as :performance
 
   def mime_types
-    FileHandlers::F3d.input_types.without(MediaType.image_types)
+    FileHandlers::F3dCli.input_types.without(MediaType.image_types)
   end
 
   def derivative
diff --git a/app/lib/file_handlers/f3d.rb b/app/lib/file_handlers/f3d_cli.rb
similarity index 83%
rename from app/lib/file_handlers/f3d.rb
rename to app/lib/file_handlers/f3d_cli.rb
index 8f424a2ba..babdff974 100644
--- a/app/lib/file_handlers/f3d.rb
+++ b/app/lib/file_handlers/f3d_cli.rb
@@ -1,4 +1,4 @@
-class FileHandlers::F3d < FileHandlers::Base
+class FileHandlers::F3dCli < FileHandlers::Base
   def self.readers
     `f3d --list-readers`
   end
diff --git a/app/lib/file_handlers/f3d_wasm.rb b/app/lib/file_handlers/f3d_wasm.rb
new file mode 100644
index 000000000..25a3b2bdf
--- /dev/null
+++ b/app/lib/file_handlers/f3d_wasm.rb
@@ -0,0 +1,12 @@
+class FileHandlers::F3dWasm < FileHandlers::Base
+  ENVIRONMENTS = [:browser, :preview_frame].freeze
+  INPUT_TYPES = Mime::EXTENSION_LOOKUP.slice(*%w[gml gltf glb obj ply pts stl vtk vtp vtu vtkhdf 3ds wrl vrml fbx dae dxf off x 3mf ex2 exo e g stp step igs iges brep xbf drc mdl nc cdf ncdf ifc]).values.uniq.freeze
+
+  def self.priority
+    1
+  end
+
+  def self.component
+    Components::Renderers::F3d
+  end
+end
diff --git a/app/lib/file_handlers/three.rb b/app/lib/file_handlers/three.rb
index 8d4b8f308..5d2c12e40 100644
--- a/app/lib/file_handlers/three.rb
+++ b/app/lib/file_handlers/three.rb
@@ -4,6 +4,10 @@ class FileHandlers::Three < FileHandlers::Base
     "stl", "obj", "3mf", "ply", "gltf", "glb", "drc", "fbx", "3ds", "gcode", "mpd", "ldr", "3dm"
   ).values.freeze
 
+  def self.priority
+    100
+  end
+
   def self.component
     Components::Renderers::Three
   end
diff --git a/app/uploaders/application_uploader.rb b/app/uploaders/application_uploader.rb
index e50972199..78825772b 100644
--- a/app/uploaders/application_uploader.rb
+++ b/app/uploaders/application_uploader.rb
@@ -90,7 +90,7 @@ class ApplicationUploader < Shrine
   end
 
   add_metadata :object do |io, context|
-    if context[:record]&.try(:is_3d_model?) && FileHandlers::F3d.can_load?(context[:record].mime_type)
+    if context[:record]&.try(:is_3d_model?) && FileHandlers::F3dCli.can_load?(context[:record].mime_type)
       bounds = Shrine.with_file(io) do |file|
         if file.path
           options = {
@@ -141,7 +141,7 @@ class ApplicationUploader < Shrine
       Shrine.with_file(original) do
         {render: FreecadThumbnailExtractorService.new(file: it).call}.compact
       end
-    elsif SiteSettings.generate_model_renders && FileHandlers::F3d.can_load?(context[:record].mime_type) && context[:record]&.is_3d_model?
+    elsif SiteSettings.generate_model_renders && FileHandlers::F3dCli.can_load?(context[:record].mime_type) && context[:record]&.is_3d_model?
       Shrine.with_file(original) do
         up = context[:record]&.up_direction
         options = F3D_OPTS.merge(
diff --git a/config/initializers/cache_clearance.rb b/config/initializers/cache_clearance.rb
new file mode 100644
index 000000000..2f0479ae7
--- /dev/null
+++ b/config/initializers/cache_clearance.rb
@@ -0,0 +1,4 @@
+Rails.application.config.after_initialize do
+  Rails.cache.delete_matched("FileHandlers_handlers_for_*") if ENV["RAILS_ASSETS_PRECOMPILE"].blank?
+rescue RedisClient::CannotConnectError
+end
diff --git a/package.json b/package.json
index 2748066a3..52736e2b5 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "bootswatch": "^5.3.8",
     "comlink": "^4.4.2",
     "driver.js": "^1.8.0",
+    "f3d": "3.5.0-nightly.20261003",
     "i18n-js": "^4.5.3",
     "masonry-layout": "^4.2.2",
     "three": "^0.186.1",
diff --git a/spec/lib/file_handlers/f3d_spec.rb b/spec/lib/file_handlers/f3d_cli_spec.rb
similarity index 72%
rename from spec/lib/file_handlers/f3d_spec.rb
rename to spec/lib/file_handlers/f3d_cli_spec.rb
index 7b2925d50..3fad30955 100644
--- a/spec/lib/file_handlers/f3d_spec.rb
+++ b/spec/lib/file_handlers/f3d_cli_spec.rb
@@ -1,6 +1,6 @@
 require "rails_helper"
 
-RSpec.describe FileHandlers::F3d do
+RSpec.describe FileHandlers::F3dCli do
   it "can execute f3d" do
     expect(`f3d --version`).to include "F3D"
   end
diff --git a/spec/support/f3d.rb b/spec/support/f3d.rb
index a57525b6e..e1119df47 100644
--- a/spec/support/f3d.rb
+++ b/spec/support/f3d.rb
@@ -1,6 +1,6 @@
 RSpec.configure do |config|
   config.before do
-    allow(FileHandlers::F3d).to receive(:input_types).and_return([
+    allow(FileHandlers::F3dCli).to receive(:input_types).and_return([
       Mime[:threemf], Mime[:obj], Mime[:stl], Mime[:jpg]
     ])
   end
diff --git a/yarn.lock b/yarn.lock
index 6717c5022..5fc3ab58d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2877,6 +2877,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"f3d@npm:3.5.0-nightly.20261003":
+  version: 3.5.0-nightly.20261003
+  resolution: "f3d@npm:3.5.0-nightly.20261003"
+  checksum: d3f3419feb1585953e33d9c8b423cdc3fe25f4cd5b1acc3cfa39ede28f411bbd5aa928f2f481bca067a1f58eb0b48c0eaad26ed955244a4003970763209f1e6b
+  languageName: node
+  linkType: hard
+
 "fast-deep-equal@npm:^3.1.1, fast-deep-equal@npm:^3.1.3":
   version: 3.1.3
   resolution: "fast-deep-equal@npm:3.1.3"
@@ -4079,6 +4086,7 @@ __metadata:
     comlink: ^4.4.2
     driver.js: ^1.8.0
     eslint: ^9.0.0
+    f3d: 3.5.0-nightly.20261003
     husky: ^9.1.7
     i18n-js: ^4.5.3
     masonry-layout: ^4.2.2