Here’s a Rhino file to get you started, it will ask for your texture image when you open it.
stone wall.3dm (533.9 KB)
You can control the texture parameters by clicking on the pencil icon.
… and you can reduce / increase the # of triangles and memory used by modifying these settings.
Most likely you will want to reduce the # of triangles / memory used and still keep an acceptable level of detail for your rendering.
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