> For the complete documentation index, see [llms.txt](https://docs.studio.cogram.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.studio.cogram.com/capabilities.md).

# What Works (and What Doesn't)

Studio is good at some things and not yet good at others. Knowing the difference saves time.

## Works well

* Rectangular rooms, walls, floor slabs, flat roofs
* Doors and windows placed in walls
* Multi-storey structures with stairs
* Columns, beams, structural grids
* Parametric dimensions — change one number, everything updates
* Curved walls, elliptical plans, BSpline profiles
* Simple mechanical parts — extrusions, cuts, fillets
* Measuring, inspecting, and analyzing existing geometry

## Works, but needs patience

* Complex organic shapes (vases, sculptures) — may take several iterations to get the form right
* L-shaped and U-shaped buildings — give precise dimensions for each wing
* Large buildings with many elements — the agent works in phases, which takes time
* Imported IFC models — the geometry comes in as mesh, not parametric. You can add new elements around it but can't reshape what was imported.

## Doesn't work yet

* Assemblies with moving parts or mechanical joints
* Electrical, plumbing, or MEP systems
* Photorealistic rendering or materials
* Real-time collaboration (one user per session)
* Terrain or landscape modelling

## When things go wrong

The agent sometimes gets geometry wrong — a wall in the wrong place, a dimension off by a few millimeters. When that happens:

* **Say what's wrong specifically** — "the east wall is 200mm too short" works better than "that looks wrong"
* **Use undo** — Cmd+Z or say "undo" to revert the last action cleanly
* **Jump to a checkpoint** — click any checkpoint marker in the chat to restore an earlier state
* **Switch to Plan mode** — talk through the approach before building


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# Agent Instructions
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## Querying This Documentation
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