local viewportFrame = script.Parent;
part = workspace["Brown Floof Hair"].Handle;
part.Parent = viewportFrame
local viewportCamera = Instance.new("Camera")
viewportFrame.CurrentCamera = viewportCamera
viewportCamera.Parent = viewportFrame
viewportCamera.CFrame = CFrame.new(Vector3.new(0, 2, 12), part.Position)
The GUI and the Part shown in workspace and ScreenGUI
https://gyazo.com/26ed0749aaf6c3cebcf148db7a7a973e
https://gyazo.com/7f0c9032d7efd3bda7a7fbd72a9c3931
[EDIT]: Does meshes not work with this feature?
[EDIT2]: My camera was too far away