Exporting from roblox studio makes mesh segmented

[Meat_Make]

The Problem:

When I export a mesh from Roblox studio and import it into Blender, the mesh becomes segmented how do I fix this?

Original mesh in Roblox studio:

Same mesh in blender:

The reason I need the mesh in Blender is because I want to make a cartoon cell shading outline for it. And to make the outlines look correct I need to resize the mesh by moving the vertices along their normals. The picture above is what when I tried to do just that using Alt + S in edit mode on Blender.

Is there a way to export meshes correctly or at least fix the mesh in Blender?

Solutions I thought of:

The only solution I can think of is meticulously stitching each little point back together one by one using the merge function. But that will take ages.

[Scottifly]

What exactly do you want a ‘cartoon cell shading outline’ to look like?
You know what you mean by your description, but we don’t really.

Do you mean a black outline that’s always around the Mesh? Or do you just want an outline for an image of the mesh?

If you mean that you’ve moved the vertices and they’ve moved away from each other, you can select the entire original mesh and click the Mesh tool in Edit mode, then select Clean up then Merge Vertices.

[Meat_Make]

Figured it out, I had to union the mesh

[Scottifly]

If it was exported as one Mesh from Roblox how did it become multiple Meshes in Blender?

When you say you Unioned the Mesh in Blender from what I know that just joins multiple meshes into a single mesh.

Are you sure you didn’t Merge the Vertices to make the single Mesh faces joined at those vertices?

[Meat_Make]

I exported a single mesh, then in blender I split it into 2 peices. Then when I unioned them, everything was attached properly.