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Creating in Blender is a whole lot of fun. Seeing a model come to life in a game like Roblox is the ultimate in fun! It's uncomplicated to take your models from creation to implementation. But sometimes nosotros can run into problems importing into game engines.

In this post, we walk through exporting a model from Blender and importing the same model into Roblox. We also testify how to get by the x,000 polygon limit in many games engines, using Roblox equally a guide.

Exporting Models from Blender

The two well-nigh common file types used by game engines are the FBX and OBJ file blazon. The FBX blazon has more than object data – it tin contain video, 3d, 2d, audio, animation and other data. The drawback with this file type is its size can become quite large. Some game engines also have random issues supporting the FBX file type.

The OBJ file type has only the mesh information, locations of vertices and such. A prissy part of this format is the small file size. It'due south likewise quite portable. I will apply the OBJ file type unless in that location's a compelling reason not to.

We go to File->Consign and cull our file type

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When we're exporting, then we only get the items we are planning to import into the game engine, we select those items in our Collection display, and cull the Limit To Selection Merely checkbox while exporting.

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Now to import the file into Roblox.

Importing FBX and OBJ files into Roblox

To import our object, we first add a meshpart as our container. This will allow y'all to attach our obj and fbx files. We get into the properties pane and select our meshpart. To select the object file, we click on the MeshID belongings, click the folder icon and choose our FBX or OBJ file.

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Information technology's that easy! Now, unless you've baked your texture, it volition be greyness plastic and y'all'll take to texture it in Roblox. We won't cover that hither.

Working Throught the x,000 Polygon Limit

An event you'll run into at some indicate is that there are too many polygons. Currently Roblox and some other game engines have a ten,000 polygon (sometimes referred to as tris) limit. We can overcome this issue in a few ways, we can split our model and import each object individually, re-combining the full model in Roblox or whatever other game engine. Two other ways we tin can exercise this for smaller models is using decimate on our objects in Blender, or by removing specific geometry ourselves. I often use decimate, so allow'due south practice that.

Only like before, we add a meshpart and select our OBJ. If your model is over x,000 polygons, it volition requite an mistake bulletin.

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In Blender, nosotros go to modifiers, add modifier and select decimate.

Initially our ratio is one, that equals the total poly count of the object. So nosotros want to drop that ratio downward. Nosotros often "guestimate" what nosotros demand, and slowly conform to go nether 10,000 polygons.

Here nosotros moved our ratio to 0.85, and take our Tris, seen at the bottom left of the screenshot, under 10,000.

Wrap Upward

In full general, importing your Blender models into Roblox is a simple job. When you do run into issues, like the 10,000 polygon limit effect, it's simple to use Blender'south built in tools similar Decimate to quickly ready your model. If I had a model with multiple objects, I would either split those and import them one at a fourth dimension, or selectively delete geometry by hand to get the model where I needed information technology to be.

One other issue you might meet is a model non importing, with a cryptic mistake message. Bank check the name of your model and the file. Roblox volition block certain words. For example, a Bishop chess piece I had would not import until I renamed the file something else.

And that's it! A quick and simple guide to moving your model into Roblox. You can too see this done, with further caption, in this Youtube video