REER ( Reer AI | Food4Rhino ) is a true AI collaborator that lives directly inside Rhino. I didn’t want to build another chatbot that just spits out generic advice or code snippets for you to copy-paste. The goal here was to create a tool that actually understands your scene and takes action—batch editing geometries, running analysis, sorting layers, or just taking care of those tedious, repetitive tasks that drain your time. The more you use it, the more it feels like a natural extension of your own modeling workflow.
Here is a quick breakdown of what makes it different:
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Built for action, not small talk: It sits in a lightweight chat window inside your workspace. It’s designed to do the heavy lifting, not to interrupt your flow.
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It actually “sees” your viewport: REER understands your layers, objects, and scene context. It can manipulate geometry directly, skipping the usual back-and-forth.
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Your files stay yours: It connects through a secure file linkage (pretty much like linking an image in InDesign). There are no cloud uploads of your geometry; everything stays local and syncs automatically.
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Works everywhere: Available for both Windows and Mac, supporting Rhino 7 and 8. (And yes, Grasshopper support is already on the way).
To give you an idea of what it can do, here are a few things you can ask it to do right now:
“Build a staggered mullion pattern on the selected facade based on a reference image.”
“Move all components to exploded view positions and render the scene.”
“Calculate the window-to-wall ratio for the selected facade and highlight any zones below 30%.”
“Select all structural columns on the Ground Floor layer and check for alignment deviations.”
“Identify all duplicate objects in the scene and consolidate them onto a single layer.”
One thing we focused on heavily during development was making sure you always stay in control. REER only shows up when you need it, it will always ask for your permission before modifying anything, and crucially, Ctrl+Z works perfectly on every single action it takes. If you don’t like what it did, you just undo it.
We want this category to be an open space for discussion. Please use it to share your thoughts, report any bugs you find, or tell us what features you’d like to see next. Your feedback is going to shape where we take this tool next.