Even just a viewer app would be great, it could connect to your Dropbox storage to pick up the sh3d files.

I tried the WebGL link, works great on old laptop, crashes out Safari and any other browser on my iPad Mini, on a 32GB iPhone 5s it gets so far then freezes during loading. May try it later on a new iPad Air.

Have just started out with Sweethome for one home improvement project. Luckily the learning curve is OK for just one project but there will be more! I previously tried Sketchup but find Sweethome much more forgiving about correcting errors after the fact.

What I'd love is an iPad app to demo the 3D ...