diff --git a/plane-src/apps/web/helpers/beam-viewer-config.test.ts b/plane-src/apps/web/helpers/beam-viewer-config.test.ts
new file mode 100644
index 0000000..55b5168
--- /dev/null
+++ b/plane-src/apps/web/helpers/beam-viewer-config.test.ts
@@ -0,0 +1,21 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import {
+  DEFAULT_BEAM_VIEWER_BASE_URL,
+  getBeamDirectModelTypeFromFileName,
+  getBeamModelTypeFromFileName,
+  // @ts-expect-error Node's strip-types test runner requires the explicit TypeScript extension.
+} from "./beam-viewer-config.ts";
+
+test("routes STEP and IGES variants through the converter", () => {
+  assert.equal(getBeamModelTypeFromFileName("model.step"), "step");
+  assert.equal(getBeamModelTypeFromFileName("model.STP"), "step");
+  assert.equal(getBeamModelTypeFromFileName("model.iges"), "iges");
+  assert.equal(getBeamModelTypeFromFileName("model.IGS"), "iges");
+  assert.equal(getBeamDirectModelTypeFromFileName("model.igs"), null);
+});
+
+test("uses the production BIM service when build args are absent", () => {
+  assert.equal(DEFAULT_BEAM_VIEWER_BASE_URL, "https://bim.nodedc.tech");
+});
diff --git a/plane-src/apps/web/helpers/beam-viewer-config.ts b/plane-src/apps/web/helpers/beam-viewer-config.ts
new file mode 100644
index 0000000..af8b018
--- /dev/null
+++ b/plane-src/apps/web/helpers/beam-viewer-config.ts
@@ -0,0 +1,35 @@
+export const DEFAULT_BEAM_VIEWER_BASE_URL = "https://bim.nodedc.tech";
+
+const BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION: Record<string, string> = {
+  bim: "bim",
+  glb: "gltf",
+  gltf: "gltf",
+  las: "las",
+  laz: "las",
+  obj: "obj",
+  stl: "stl",
+  xkt: "xkt",
+};
+
+const BEAM_CONVERTIBLE_MODEL_TYPE_BY_EXTENSION: Record<string, string> = {
+  iges: "iges",
+  igs: "iges",
+  step: "step",
+  stp: "step",
+};
+
+export const getBeamFileExtension = (name: string): string => {
+  const parts = name.split(".");
+  return parts.length > 1 ? parts[parts.length - 1].toLowerCase() : "";
+};
+
+export const getBeamModelTypeFromFileName = (name: string | undefined): string | null => {
+  if (!name) return null;
+  const extension = getBeamFileExtension(name);
+  return BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION[extension] ?? BEAM_CONVERTIBLE_MODEL_TYPE_BY_EXTENSION[extension] ?? null;
+};
+
+export const getBeamDirectModelTypeFromFileName = (name: string | undefined): string | null => {
+  if (!name) return null;
+  return BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION[getBeamFileExtension(name)] ?? null;
+};
diff --git a/plane-src/apps/web/helpers/beam-viewer.ts b/plane-src/apps/web/helpers/beam-viewer.ts
index 4e08aa7..d7112b9 100644
--- a/plane-src/apps/web/helpers/beam-viewer.ts
+++ b/plane-src/apps/web/helpers/beam-viewer.ts
@@ -1,5 +1,11 @@
 import type { AxiosProgressEvent } from "axios";
 import type { TIssueAttachment } from "@plane/types";
+import {
+  DEFAULT_BEAM_VIEWER_BASE_URL,
+  getBeamDirectModelTypeFromFileName,
+  getBeamFileExtension,
+  getBeamModelTypeFromFileName,
+} from "./beam-viewer-config";
 
 export type TBeamViewerConversion = {
   artifactSrc?: string;
@@ -101,24 +107,6 @@ export const dispatchBeamViewerOpenEvent = (detail: TBeamViewerOpenEventDetail)
   window.dispatchEvent(new CustomEvent<TBeamViewerOpenEventDetail>(BEAM_VIEWER_OPEN_EVENT, { detail }));
 };
 
-const DEFAULT_BEAM_VIEWER_BASE_URL = "http://localhost:8080";
-
-const BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION: Record<string, string> = {
-  bim: "bim",
-  glb: "gltf",
-  gltf: "gltf",
-  las: "las",
-  laz: "las",
-  obj: "obj",
-  stl: "stl",
-  xkt: "xkt",
-};
-
-const BEAM_CONVERTIBLE_MODEL_TYPE_BY_EXTENSION: Record<string, string> = {
-  step: "step",
-  stp: "step",
-};
-
 const MIME_TYPE_BY_EXTENSION: Record<string, string> = {
   glb: "model/gltf-binary",
   gltf: "model/gltf+json",
@@ -127,11 +115,6 @@ const MIME_TYPE_BY_EXTENSION: Record<string, string> = {
 const normalizeBaseUrl = (url: string | undefined): string =>
   (url && url.trim() ? url.trim() : DEFAULT_BEAM_VIEWER_BASE_URL).replace(/\/+$/, "");
 
-const getFileExtension = (name: string): string => {
-  const parts = name.split(".");
-  return parts.length > 1 ? parts[parts.length - 1].toLowerCase() : "";
-};
-
 const getUploadGroupId = (parts: Array<string | undefined>): string => {
   const value = parts
     .filter(Boolean)
@@ -167,18 +150,15 @@ export const getBeamApiBaseUrl = (): string =>
   normalizeBaseUrl(process.env.VITE_BEAM_API_BASE_URL || process.env.VITE_BEAM_VIEWER_BASE_URL);
 
 export const getBeamModelTypeFromName = (name: string | undefined): string | null => {
-  if (!name) return null;
-  const extension = getFileExtension(name);
-  return BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION[extension] ?? BEAM_CONVERTIBLE_MODEL_TYPE_BY_EXTENSION[extension] ?? null;
+  return getBeamModelTypeFromFileName(name);
 };
 
 export const getBeamDirectModelTypeFromName = (name: string | undefined): string | null => {
-  if (!name) return null;
-  return BEAM_DIRECT_MODEL_TYPE_BY_EXTENSION[getFileExtension(name)] ?? null;
+  return getBeamDirectModelTypeFromFileName(name);
 };
 
 export const getBeamModelMimeType = (file: File): string =>
-  MIME_TYPE_BY_EXTENSION[getFileExtension(file.name)] || "application/octet-stream";
+  MIME_TYPE_BY_EXTENSION[getBeamFileExtension(file.name)] || "application/octet-stream";
 
 export const isBeamModelFile = (name: string | undefined): boolean => !!getBeamModelTypeFromName(name);