Frequently Asked Questions — Febhouse Support

Febhouse is a creative architecture studio founded by Mr. Nam Nguyen (Nguyễn Hà Nam). It is the core brand behind ArchiDiagram, Sun Diagram, and Dynamic Symbols.
We combine architectural design with digital tools to help architects visualize their ideas more clearly.

Febhouse was founded by Nguyễn Hà Nam (known professionally as Nam Nguyen), an architect and software developer dedicated to optimizing architectural workflows.

Support channels:
- Email: info@febhouse.com
- Instagram DM: @febhouse_com
- Facebook Group: ArchiDiagram (community support & discussion)

We usually respond within 24–48 hours on business days.

Many of our resources are completely free, while advanced plugins and premium templates require a paid license. Each product clearly indicates whether it is Free or Pro.

Yes! You can find a variety of sample projects, diagrams, and templates directly on ArchiDiagram.com.

Full tutorials are available at ArchiDiagram.com and on our YouTube/Instagram channels.

Yes, all of our 3 SketchUp Plugins (Sun Diagram, Dynamic Symbols, Shadow Slice) and the ArchiDiagram Web App offer a 14-day free trial of the PRO/Premium features. You are not obligated to purchase after the trial.

For our SketchUp plugins purchased via Gumroad, we offer a 7-Day Money-Back Guarantee. For the ArchiDiagram Web App subscriptions (via Lemon Squeezy), we offer a flexible 3-day grace period for refunds after a new charge or renewal.