Dungeon Entrance Blockout

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I've made a block out model of the Dungeon entrance in Blender. I'm a little confused whether to cut this into modular pieces or if I should make it as one big piece. If I model as one piece there will be issues with texel density but modular pieces will produce weird results when trying to put things together.
Dungeon Entrance Blockout
Whichever way I choose, I still have to sculpt, bake and texture the asset.


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