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Bringing your work in

Importing a mesh

Your own 3D arrives as geometry rather than as a picture of geometry, with its materials, and it behaves like everything else on the board.

Your own 3D arrives as geometry. Drop a .glb, .gltf, .obj, .fbx or .stl and what lands is a real mesh you can orbit, light and render on the spot, sitting on the same canvas as your images.

That is the whole reason 3D is not behind a viewer here.

GLB is the format to prefer, because it packs geometry, materials and textures into one file. Nothing to match up by hand and nothing left behind on your desktop.

glTF works the same way when its companion files come with it.

OBJ carries geometry reliably and materials unreliably, because the format leaves too much to convention. Expect to re-apply materials, and prefer GLB where you have the choice.

FBX comes in with its materials, textures and skeleton. STL is geometry only, by design, and arrives with a default material for you to replace. Note that FBX is the one format Plnty reads but cannot write, so a mesh that came in as FBX leaves as GLB or as the original file.

The mesh is a full participant on the board:

  • Orbit and light it in place
  • Render it with the pathtracer at a real focal length and angle
  • Feed a view of it into any image tool, which is how 3D enters a generation
  • Remesh or retopologise it, locally and free
  • Repaint or retexture it
  • Comment on a point on its surface, which stays pinned as the object turns

The third one carries more than it looks like. A mesh cannot be handed to an image model directly, so the route is to frame the shot you want and feed that view. The geometry is correct because it came off the real object rather than out of a description.

Where a mesh has quad topology, it is carried through rather than being triangulated on the way in. That matters for anything going back into a modelling package, and it is why the remesher here is worth using on generated meshes before you export them.

Meshes arrive at the scale and orientation they were exported at, so a model authored in millimetres and one authored in metres will not agree with each other.

Right-click offers Fix Orientation for the common case of a model lying on its side. Scale is a normal canvas transform.

There is a plugin that skips the export step entirely, moving scenes between C4D and a board in both directions. See Cinema 4D with Plnty Connect.