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Jake Fitzgerald

@earthtojake • 8,183 subscribers

creator of text-to-cad, building robots // situated @spc // https://t.co/xmoQjOSpFs

Shorts

fable 5.1 one shotting a quad-turbo W16 engine (this is a full CAD model + animation)

fable 5.1 one shotting a quad-turbo W16 engine (this is a full CAD model + animation)

382,229 次观看

The maniacs actually cut it sendcutsend

The maniacs actually cut it sendcutsend

640,679 次观看

asked claude fable 5 to design a qdd actuator it also animated the gearbox and inspected collisions as part of the validation loop ~ 30 minutes / 400k tokens

asked claude fable 5 to design a qdd actuator it also animated the gearbox and inspected collisions as part of the validation loop ~ 30 minutes / 400k tokens

326,757 次观看

asked claude fable 5 to design a 16dof articulated robot hand it also wrote a robot description file (urdf) for the hand ~ 1 hour / 300k tokens

asked claude fable 5 to design a 16dof articulated robot hand it also wrote a robot description file (urdf) for the hand ~ 1 hour / 300k tokens

319,135 次观看

Wild things happening in San Francisco this evening

Wild things happening in San Francisco this evening

378,191 次观看

fun experiment with gpt 5.6 sol: "create a vortex of lego bricks and assemble them into the millennium falcon" (this is animating a real step file of 7.5k bricks btw)

fun experiment with gpt 5.6 sol: "create a vortex of lego bricks and assemble them into the millennium falcon" (this is animating a real step file of 7.5k bricks btw)

191,471 次观看

new release for text-to-cad, an open source CAD harness and skills for codex / claude: - mechanism validation (go from text prompt to functional mechanical design) - parameters + animations for step files - extended sdf, srdf, urdf support 3k stars, 10k downloads, we cooking

new release for text-to-cad, an open source CAD harness and skills for codex / claude: - mechanism validation (go from text prompt to functional mechanical design) - parameters + animations for step files - extended sdf, srdf, urdf support 3k stars, 10k downloads, we cooking

255,244 次观看

opus 5 ultracode with text-to-cad and a gauntlet loop 1 prompt, 1500+ car parts generated, including a suspension system and v12 engine

opus 5 ultracode with text-to-cad and a gauntlet loop 1 prompt, 1500+ car parts generated, including a suspension system and v12 engine

127,765 次观看

you're laughing? fable is one shotting full IK and path planning for custom robots and you're laughing?

you're laughing? fable is one shotting full IK and path planning for custom robots and you're laughing?

49,663 次观看

Introducing step . parts, an open source directory of 12,000+ STEP parts for your next CAD project Many CAD tools like Autodesk have huge closed libraries of standard mechanical and electrical parts The goal is to build an equivalent catalog for the open source CAD community

Introducing step . parts, an open source directory of 12,000+ STEP parts for your next CAD project Many CAD tools like Autodesk have huge closed libraries of standard mechanical and electrical parts The goal is to build an equivalent catalog for the open source CAD community

96,914 次观看

asked claude fable 5 to design spacex starship with mechazilla it modelled the first stage boosters and even animated a chopstick catch at the end absolutely insane

asked claude fable 5 to design spacex starship with mechazilla it modelled the first stage boosters and even animated a chopstick catch at the end absolutely insane

51,787 次观看

animating mechanisms in codex might be the biggest nerd snipe of all time

animating mechanisms in codex might be the biggest nerd snipe of all time

53,469 次观看

Fable 5 designed a completely functional mechanical watch in CAD Inspired by the Omega Speedmaster Professional, the "Moonwatch" that NASA astronauts wore on the Apollo missions Claude is still the king of CAD

Fable 5 designed a completely functional mechanical watch in CAD Inspired by the Omega Speedmaster Professional, the "Moonwatch" that NASA astronauts wore on the Apollo missions Claude is still the king of CAD

28,461 次观看

new text-to-cad release: - support for large assemblies - lots of fun new visualization tools - new .step.py format (CAD as code, saves disk space) - 20x faster builds - 3x faster renders oh and you can one-shot F-14D super tomcats

new text-to-cad release: - support for large assemblies - lots of fun new visualization tools - new .step.py format (CAD as code, saves disk space) - 20x faster builds - 3x faster renders oh and you can one-shot F-14D super tomcats

19,769 次观看

this part was generated AND printed with one prompt using codex + text-to-cad: “Make me a thick Möbius strip, and use computer use to print on my Bambu Labs A1 Mini” went to the gym, came back 1.5 hours later and it was sitting on the build plate

this part was generated AND printed with one prompt using codex + text-to-cad: “Make me a thick Möbius strip, and use computer use to print on my Bambu Labs A1 Mini” went to the gym, came back 1.5 hours later and it was sitting on the build plate

15,175 次观看

Here's a sendcutsend skill for Codex that catches DFM issues before you place orders It even generates diagrams with GPT Image 2 to highlight the issues Works for any DXF or STEP file 🪄

Here's a sendcutsend skill for Codex that catches DFM issues before you place orders It even generates diagrams with GPT Image 2 to highlight the issues Works for any DXF or STEP file 🪄

13,725 次观看

a few hackernews folks commented on the text-to-cad repo's lack of benchmarks last week to my critics i present: pelican on a bicycle

a few hackernews folks commented on the text-to-cad repo's lack of benchmarks last week to my critics i present: pelican on a bicycle

12,157 次观看

Inverse kinematics and path planning done! Codex basically one shotted this again. It's using ros2/moveit2 which does a lot of the heavy lifting and should generalize well to other embodiments. Will push to text-to-cad soon. Next step IRL assembly and testing!

Inverse kinematics and path planning done! Codex basically one shotted this again. It's using ros2/moveit2 which does a lot of the heavy lifting and should generalize well to other embodiments. Will push to text-to-cad soon. Next step IRL assembly and testing!

11,628 次观看

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Astra designed a tendon-driven robot hand

Astra designed a tendon-driven robot hand

Jake Fitzgerald

490,068 次观看 • 1 个月前

text-to-cad plugin extension is now live on codex! - generate 3D models as STEP, STL, 3MF, or GLB - DFM for printing, sheet metal, CNC, injection moulding - connect to fab services like bambu and sendcutsend 100% open source and free, runs locally inside the codex desktop app

text-to-cad plugin extension is now live on codex! - generate 3D models as STEP, STL, 3MF, or GLB - DFM for printing, sheet metal, CNC, injection moulding - connect to fab services like bambu and sendcutsend 100% open source and free, runs locally inside the codex desktop app

Jake Fitzgerald

133,430 次观看 • 16 天前

text-to-cad just crossed 20,000 stars on github! here's a lightning talk i gave about it at frontiers, enjoy

text-to-cad just crossed 20,000 stars on github! here's a lightning talk i gave about it at frontiers, enjoy

Jake Fitzgerald

21,846 次观看 • 2 天前

asked claude fable 5 to design a humanoid robot 2 hours and 1.4m tokens later, i got this absolutely insane

asked claude fable 5 to design a humanoid robot 2 hours and 1.4m tokens later, i got this absolutely insane

Jake Fitzgerald

907,594 次观看 • 4 个月前

text-to-cad v0.5, just in time for Astra - generate STEP, STL, GLB, 3MF, DXF files with code - runs locally as a library of agent skills - 100% open source and free have fun mechies

text-to-cad v0.5, just in time for Astra - generate STEP, STL, GLB, 3MF, DXF files with code - runs locally as a library of agent skills - 100% open source and free have fun mechies

Jake Fitzgerald

199,814 次观看 • 1 个月前

text-to-cad just crossed 10,000 stars you can use it to generate: - STEP files - URDF, SDF and other sim artifacts - 3D mesh files like STL, 3MF and GLB - gcode for 3D printing - DFM checks for popular services like sendcutsend 100% free and open source ✌️

text-to-cad just crossed 10,000 stars you can use it to generate: - STEP files - URDF, SDF and other sim artifacts - 3D mesh files like STL, 3MF and GLB - gcode for 3D printing - DFM checks for popular services like sendcutsend 100% free and open source ✌️

Jake Fitzgerald

246,656 次观看 • 2 个月前

text-to-cad is now on the official codex plugin directory! here's a fun demo of me using it to design a 3D printed iphone duo stand in about 10 minutes link below

text-to-cad is now on the official codex plugin directory! here's a fun demo of me using it to design a 3D printed iphone duo stand in about 10 minutes link below

Jake Fitzgerald

22,507 次观看 • 13 天前

fable, reverse engineer the spacex raptor 3 engine, make no mistakes

fable, reverse engineer the spacex raptor 3 engine, make no mistakes

Jake Fitzgerald

39,918 次观看 • 3 个月前

Say hello to text-to-cad, an open source tool for generating 3D models in Codex! Prompt and edit complex 3D models. Export STEP, STL, GLB, DXF and URDF files. Built for CAD newbies. Link to github below. CAD is hard. As a software engineer getting back into robotics, I’ve been humbled by new tools like Onshape. Struggling to kick old habits, I started prompting Codex to generate 3D models and had some limited succes. After a few iterations I found a recipe that actually works: 1. Generate a python script for every STEP file. The agent can easily edit each part’s source without touching the raw STEP file. Use build123d > cadquery. 2. Reference specific faces and edges in prompts for precise edits. I built a basic local ui to inspect / cache STEP B-reps to make this easier. 3. Maintain markdown explaining important part features in plain English so the model can index on project context quickly. 4. Verify results with screenshots and geometry. Models don’t have great spatial awareness, but they can interpret images and verify constraints very well. For the best results I’ve been using GPT 5.4 xhigh / Opus 4.6+. Fair warning, this will burn through tokens, I recommend the Pro/Max plans if you’re planning on building anything serious. PRs welcome!

Say hello to text-to-cad, an open source tool for generating 3D models in Codex! Prompt and edit complex 3D models. Export STEP, STL, GLB, DXF and URDF files. Built for CAD newbies. Link to github below. CAD is hard. As a software engineer getting back into robotics, I’ve been humbled by new tools like Onshape. Struggling to kick old habits, I started prompting Codex to generate 3D models and had some limited succes. After a few iterations I found a recipe that actually works: 1. Generate a python script for every STEP file. The agent can easily edit each part’s source without touching the raw STEP file. Use build123d > cadquery. 2. Reference specific faces and edges in prompts for precise edits. I built a basic local ui to inspect / cache STEP B-reps to make this easier. 3. Maintain markdown explaining important part features in plain English so the model can index on project context quickly. 4. Verify results with screenshots and geometry. Models don’t have great spatial awareness, but they can interpret images and verify constraints very well. For the best results I’ve been using GPT 5.4 xhigh / Opus 4.6+. Fair warning, this will burn through tokens, I recommend the Pro/Max plans if you’re planning on building anything serious. PRs welcome!

Jake Fitzgerald

53,563 次观看 • 5 个月前

assembling a LEGO star destroyer with claude opus 5 (this is animating a real STEP file with 3226 bricks)

assembling a LEGO star destroyer with claude opus 5 (this is animating a real STEP file with 3226 bricks)

Jake Fitzgerald

27,727 次观看 • 2 个月前

6 degrees of freedom 700g payload 600mm reach $170 BOM chefs kiss

6 degrees of freedom 700g payload 600mm reach $170 BOM chefs kiss

Jake Fitzgerald

18,094 次观看 • 1 个月前

first stable release for text-to-cad (0.1.0) - bambu labs + gcode skills (prompt to print) - 3x faster STEP builds, 5x faster viewer - plugins for codex, claude, gemini - tonnes of new viewer controls - contributor friendly repo (!!) about to cross 5000 stars, 20k downloads

first stable release for text-to-cad (0.1.0) - bambu labs + gcode skills (prompt to print) - 3x faster STEP builds, 5x faster viewer - plugins for codex, claude, gemini - tonnes of new viewer controls - contributor friendly repo (!!) about to cross 5000 stars, 20k downloads

Jake Fitzgerald

36,421 次观看 • 4 个月前

weekend hack: implicit.js an open source library that lets agents generate CAD with code + mathematical functions representing surfaces no CAD kernels, no STEP files just agents using math + code to directly generate 3D models details below!

weekend hack: implicit.js an open source library that lets agents generate CAD with code + mathematical functions representing surfaces no CAD kernels, no STEP files just agents using math + code to directly generate 3D models details below!

Jake Fitzgerald

35,409 次观看 • 4 个月前

new text-to-cad release! - LOTS of robot demos (link below) - sendcutsend skill for DMF checks - sdf skill for sim - srdf skill with moveit2 support i want to give agents a complete set of skills to iterate towards mechanically sound hardware designs from loosely defined specs

new text-to-cad release! - LOTS of robot demos (link below) - sendcutsend skill for DMF checks - sdf skill for sim - srdf skill with moveit2 support i want to give agents a complete set of skills to iterate towards mechanically sound hardware designs from loosely defined specs

Jake Fitzgerald

25,578 次观看 • 5 个月前

To generate 3D models in Codex with text-to-cad: Start a new project, write your prompt for a 3D model, and include a link to clone the text-to-cad repo. Codex handles the rest. The repo is open source and all scripts / ui run locally. Link below.

To generate 3D models in Codex with text-to-cad: Start a new project, write your prompt for a 3D model, and include a link to clone the text-to-cad repo. Codex handles the rest. The repo is open source and all scripts / ui run locally. Link below.

Jake Fitzgerald

22,113 次观看 • 5 个月前

Codex is SOTA at CAD

Codex is SOTA at CAD

Jake Fitzgerald

21,761 次观看 • 5 个月前

step . parts is an open source directory of 12,000+ STEP parts for your next CAD project it's designed to be an agent-friendly, MIT licensed version of mcmaster that isn't behind a sign up / paywall the api has been used 10,000 times in ~2 weeks to download useful parts (a lot of them are me cadslopping) !!

step . parts is an open source directory of 12,000+ STEP parts for your next CAD project it's designed to be an agent-friendly, MIT licensed version of mcmaster that isn't behind a sign up / paywall the api has been used 10,000 times in ~2 weeks to download useful parts (a lot of them are me cadslopping) !!

Jake Fitzgerald

16,024 次观看 • 4 个月前

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