WeeklyDynamo: Generative Design and Dynamo for AEC

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Claude Remote Control: Why My Phone Could Not Start a Session

- 8월 16, 2026

Research Log [2026 08 16]: Diagnosing and Automating a Phone-to-PC Remote Control Link for an LLM Agent 1. Objective Driving an LLM agent on a desktop machine from a phone is useful for a specific reason. The agent operates on the real files that exist only on that machine, including models, scripts, and drawings, so work started at the desk can be continued while away from it. A cloud session cannot do this, because the files are not there. The link had been in use for about a month and it stopped working one morning. This log documents the diagnosis, the three separate causes that were found underneath the failure, and the configuration that now survives a reboot. It also documents six errors in my own diagnostic reasoning, because those errors consumed roughly five hours and are more generally useful than the fix itself. 2. Summary of Work The failure had three independent causes that happened to coincide. A refresh token had expired on a thirty-day clock, an autostar...

AEC 3D Viewers: What 32 Tools Chose, and a 5x Speed Gap

- 8월 05, 2026

Over the past year I built five different 3D viewers for AEC work - routing, structural review, tunnel sections, a Revit perspective tool, a spreadsheet-to-3D viewer. Before I trusted my own instincts about how to build them, I did two things: I profiled all five on the same GPU, and I studied how 32 other AEC 3D tools - Autodesk Forma, Speckle, TestFit, xeokit, Bentley iTwin, and more - solve the same problem. This post is both halves: what the industry chose, and then what my own measurements showed. The short version is that rendering is a commodity, and the interesting decisions are everywhere else. Part 1 - What 32 AEC viewers actually chose I expected a mess of proprietary engines. Instead the choices collapse into six patterns, and the deciding question is never "which renderer is best" - it is "what is our actual moat."

Parsing 149 GB of JSON Without Loading It Into Memory

- 8월 05, 2026

Part 9 of a series — a Dynamo tunnel geometry that was already finished, a 39-sheet Excel workbook it had never been wired to, the web viewer built to referee the two, and the Revit add-in at the end of it. When the work stopped, it had left 149 GB of snapshots on a desktop drive. The obvious next task was to delete them. This post is about what happened when I tried to establish that deleting them was safe — which turned out to be a longer job than the deletion, and ended with a different answer than the one I started with.

AI Clarifying Questions: A Template From Seven Real Ones

- 8월 04, 2026

Part 8 of a series — a Dynamo tunnel geometry that was already finished, a 39-sheet Excel workbook it had never been wired to, the web viewer built to referee the two, and the Revit add-in at the end of it. On 14 July the AI stopped guessing and wrote a list of things it could not decide. Seven questions, thirteen evidence crops, one document. The answers came back the same night, and one of them — a single sentence about a block of concrete nobody had bothered to name — collapsed three other questions and cleared a month of round trips before dawn.

Prompt Engineering for BIM: 101 Instructions, One Drawing

- 8월 04, 2026

Part 7 of a series — a Dynamo tunnel geometry that was already finished, a 39-sheet Excel workbook it had never been wired to, the web viewer built to referee the two, and the Revit add-in at the end of it. Over eleven days, on a single tunnel section, the transcript logged 106 turns from my side to an AI coding assistant. It wrote thousands of lines of Python and JavaScript in response. But when I went back and read the whole thing, what surprised me was not the code. It was that only 17 of those 106 turns actually asked for a shape. The other 89 were corrections, rejections, questions, requests to see the screen, one long apology for having said the wrong thing — and five that I never typed at all, which section 2 accounts for. The honest count of instructions I actually sent is 101.

Revit TessellatedShapeBuilder Returns a Mesh, Not a Solid

- 8월 03, 2026

Part 6 of a series — a Dynamo tunnel geometry that was already finished, a 39-sheet Excel workbook it had never been wired to, the web viewer built to referee the two, and the Revit add-in at the end of it. For six weeks the web viewer said the geometry was fine. Then the same polylines went into a Revit add-in and three of the bands would not build at all. This is the last stretch: an add-in, thirteen versions in one afternoon, and a root cause that only appeared once I stopped looking at screenshots.

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