A RenderMan Walking Teapot full of particle spheres
RenderMan for Maya provides automatic support for Maya particles, including Maya particle instancing.
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There are some cases where RenderMan for Maya does not correctly translate Maya's configuration. Generally, if you stick to the proscribed steps and avoid obscure orientation configurations, you'll get good results.
A RenderMan Walking Teapot full of particle spheres ... now instanced with tiny RenderMan Walking Teapots!