Adobe Dimension is described as '3D design tool offering real-time previews, asset compositing, Adobe Stock access, and photorealistic rendering, perfect for seamless visual integration' and is a 3D Modeler in the photos & graphics category. There are more than 50 alternatives to Adobe Dimension for a variety of platforms, including Windows, Mac, Linux, Web-based and Autodesk 3ds Max apps. The best Adobe Dimension alternative is SketchUp. It's not free, so if you're looking for a free alternative, you could try Spline or Paint 3D. Other great apps like Adobe Dimension are ZBrush, LuxCoreRender, Vectary and Cycles Renderer.
Sketchup is for 3D modeling, not rendering. Adobe Felix doesn't have 3D modeling features; it is for rendering only.