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Posted by qqa at Jan 3, 2025, 12:23:40 AM
floorplanner .fml (json) 3d model converting
Hello,

I just bought a new house and with it i also got a 2d and 3d model of it created on floorplanner.com (.fml/ floorplanner markup language file) which basically is a very large json file.

They don't have any way to export the 3d file in any other format then .fml, so i was wondering if anyone has an idea how i could convert that file into something usable for SweetHome 3D.

Posted by Keet at Jan 7, 2025, 2:32:03 PM
Re: floorplanner .fml (json) 3d model converting
A quick search revealed very few options and those few were using paid software.
Do some searching yourself about conversions, Sweet Home 3D can't do it.
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Posted by qqa at Jan 7, 2025, 5:57:50 PM
Re: floorplanner .fml (json) 3d model converting
A quick search revealed very few options and those few were using paid software.
Do some searching yourself about conversions, Sweet Home 3D can't do it.

I actually did a lot of searching but can't find a single application or tool or script that could do it, so i'm hoping anyone has that holy grail somewhere.

The format for .fml seems to be a real standard see:
https://floorplanner.readme.io/reference/v30-specification

So hopefully technically it's possible.

Posted by daviddemeij at Dec 26, 2025, 4:47:11 PM
Re: floorplanner .fml (json) 3d model converting
I ran into this exact same issue, trying to convert floorplanner.com FML to a 3D model.

I decided the easiest approach was to use blender to programatically import the FML file, including all the textures and 3D models.

I created a python package that can do this and decided to open source it:
https://github.com/daviddemeij/fml2blender

Hopefully this will be helpful for others as well