Articles
Things we wrote down while building Forgent3D: OpenSCAD details, the road to running a CAD kernel in the browser, and what a few thousand real .scad files taught us. Updated when there is something to say.
· 2 min read
Seeing what a piece of OpenSCAD code looks like does not require installing OpenSCAD. Paste it into a viewer in the browser, it renders when you pause, colours match the desktop, and the code can go into a link for someone else.
· 3 min read
When the agent makes a box, ten times out of ten it needs insert bosses on the base and a catch on the lid, and it derives the numbers from scratch each time. One wrong number is one failed print. So we made the most common 3D-print joints into a library.
· 3 min read
The walls of a hole come out green and that is not a mistake. The preview's colour conventions, why the outer color() wins, and what happens to % and # in preview and render.
· 3 min read
OpenSCAD only exports meshes like STL, so getting a STEP file takes a detour. The FreeCAD workbench, mesh-to-STEP converters, remodelling by hand, each with its own cost. Which road fits which job, and an online converter that needs no install.
· 3 min read
Eight experiment cells to answer "was that prompt better". No answer came back. What did: rerunning one configuration swings it by 16 points, while every difference we wanted to measure is under 10.
· 3 min read
A language model cannot see in 3D; it only knows the code ran. We give it feedback it can read, a dimension report, orthographic views, throwaway probes, a knob test. What each one answers.
· 3 min read
There are two ways to do AI CAD, a mesh from a sentence or parametric code from a language model. We took the second, and this is why, and what it costs.
