4 ms·

It can be a bit cumbersome sometimes, but the only thing that really slows me down is the rendering performance. As soon as the detail level exceeds a certain r

It can be a bit cumbersome sometimes, but the only thing that really slows me down is the rendering performance. As soon as the detail level exceeds a certain range it basically becomes a bottleneck the size of a singularity. Just the last few days I spent hours creating an external preprocessor for a project so I can feed as little data as necessary into OpenSCAD. Luckily it kind of worked and got me from "process gets killed after 70 minutes" down to "finished rendering in 5 minutes". Still it's my favorite CAD software because the coding paradigm just feels so much more intuitive and simple than what FreeCAD and others do. I'm definitely going to try out this project, though; it looks very promising as well.

sitkack 6y ago
(to the channel), I am sure you know about it, but this [1] technique for making a big design a tree of smaller designs works ok. I feel like OpenSCAD is like 2 standard deviations away from perfection. Functions vs Modules and how clunky composition and application of operators over the object tree. It almost needs to be Datalog. Right now, it is a notch under SQL. [1] https://old.reddit.com/r/openscad/comments/lbq58y/my_approach_to_scripting_parts_and_converting/ https://old.reddit.com/r/openscad/comments/lbq58y/my_approac...
- alpaca128 6y ago
  The problem in my case was that I wanted to combine a pattern with my objects that I precomputed using an external program because it contained a lot of curved surfaces. As I already knew OpenSCAD basically becomes unusable if you try to use a png image as heightmap I decided to instead generate a .scad file containing an array with precomputed coordinates, and then used that to build and extrude 2d polygons. This kind of works for the 3d preview, but the stl renderer was not happy regardless. It was basically the worst case for OpenSCAD. But still, the fact I could just auto-generate a text file and use it directly for building models is fantastic. With tools like FreeCAD I wouldn't even know where to start, here it was basically a case of "it just works" and with a few more minutes it can be combined with a bash script for batch rendering.

sitkack 6y ago

(to the channel), I am sure you know about it, but this [1] technique for making a big design a tree of smaller designs works ok. I feel like OpenSCAD is like 2 standard deviations away from perfection. Functions vs Modules and how clunky composition and application of operators over the object tree. It almost needs to be Datalog. Right now, it is a notch under SQL. [1] https://old.reddit.com/r/openscad/comments/lbq58y/my_approach_to_scripting_parts_and_converting/ https://old.reddit.com/r/openscad/comments/lbq58y/my_approac...

alpaca128 6y ago
The problem in my case was that I wanted to combine a pattern with my objects that I precomputed using an external program because it contained a lot of curved surfaces. As I already knew OpenSCAD basically becomes unusable if you try to use a png image as heightmap I decided to instead generate a .scad file containing an array with precomputed coordinates, and then used that to build and extrude 2d polygons. This kind of works for the 3d preview, but the stl renderer was not happy regardless. It was basically the worst case for OpenSCAD. But still, the fact I could just auto-generate a text file and use it directly for building models is fantastic. With tools like FreeCAD I wouldn't even know where to start, here it was basically a case of "it just works" and with a few more minutes it can be combined with a bash script for batch rendering.