I’m building a Shopify app that turns furniture photos into 3D models and AR experiences

I’ve been working on SpaceCheck.app, a Micro SaaS and Shopify app for furniture retailers and ecommerce sellers.

The Shopify workflow is straightforward:

1. Connect a Shopify store.
2. Select an existing furniture product.
3. Generate an AI-based 3D model from its product photo.
4. Add the finished model to the Shopify product page.
5. Let customers rotate the product in 3D or place it in their room using AR—without installing another app.

One important lesson from building this is that generating a visually convincing 3D model and displaying it at an accurate real-world size are two separate problems.

A single image can provide useful information about shape, colour and visible features, but it cannot reliably determine exact physical dimensions. We therefore use dimensions supplied by the merchant to control the AR scale instead of pretending the AI can infer them accurately.

Photo angle also matters more than I initially expected. A clear three-quarter view showing the front and one side generally gives the model much better structural information than a straight-on image.

It can be used as a standalone platform, while the Shopify app helps merchants bring generated models into their existing product catalogue.

Users can generate up to three models per month on the free tier, store their models and share them using a link or QR code.

Here is the project if anyone wants to examine the workflow: https://spacecheck.app

I’d appreciate direct feedback on two questions:

• Is asking merchants to confirm exact product dimensions reasonable, or does it introduce too much friction?
• For Shopify furniture stores, which part has more practical value: the interactive 3D product page or the in-room AR experience?

Disclosure: I’m the person working on SpaceCheck, so this is a founder introduction—not an independent recommendation.