Step 1 — Publish your Spline Model
In Spline → Export → Share → EmbedCopy the iframe link (scene URL).
Step 2 — Add an HTML Snippet in Mendix
Drag an HTML Snippet widget onto your page.
Step 3 — Paste this code inside the snippet
Replace the URL with your Spline scene URL.
<div style="width:100%; height:450px;"> <iframe src="https://prod.spline.design/your-scene-url/scene.splinecode" style="width:100%; height:100%; border: none;" allow="camera; autoplay;"> </iframe> </div>
Step 4 — Run the app
Your 3D Spline model now loads directly in the Mendix UI.