Blender Hilfe gesucht – schwieriger Start

[Nicholas12]

Okay, Blender woes got Jürgen stumped. He's wrestling with floor levels and triangle creation after importing a panorama. Mesh madness, pure and simple! First the grid's playing hide and seek below his object... Next, where are those elusive triangles lurking in the Add menu? Sounds like a Blender initiation ritual! Once upon a time, fiddling with terrain Slope generation in a game engine gave me similar headaches.