Terragen/Blender Geometry Issues

Hi guys,

I know this is the blender forum, but I created a project that I rendered in blender and then tried in terragen, but for some odd reason, some of the mesh geometry seems to be missing?

I am currently looking for a solution, but the community for terra is nowhere near the size of blender, any help will be appreciated in diagnosis!

Thanks!
In Blender:

In Terragen 4:

Nm, turns out terragen doesnt like quads…but REALLY loves triangles!

Object issues are actually extensively discussed on our forums. Search around, you ought to find lots of advice and things to try. Most common issues are with quads, incorrect normals, or missing .mtl files or incorrect .mtl paths. https://planetside.co.uk/forums/