[OpenSCAD] extruding plain draws or saving plain draws into STL files.

nop head nop.head at gmail.com
Fri Jul 19 03:11:05 EDT 2019


All those statements are true. To export and import 2D shapes you need to
use a 2D format like DXF or SVG.

You can convert a 3D shape to 2D with projection(), so if you have a flat
object in an STL file you can make it 2D and then linear_extrude it.

On Fri, 19 Jul 2019 at 08:04, Juan C.Cilleruelo <juanc.cilleruelo at gmail.com>
wrote:

> I've discovered the next thing in OpenSCAD and I want to know if it's a
> logical situation or is a limitation or if it's a bug behaviour.
>
> 1st : I can't use linear_extrude() with modules that use 3D
> instructions, only with those that use exclusively 2D instructions.
>
> 2nd: I can't export to STL a drawing that uses exclusively 2D instructions.
>
> if I want to generate an STL file with only 2D instructions, I need to
> apply at least a 0.1 of linear_extrusion to the drawing.
>
> 3rd: As a consequence of the first, I can't use linear_extrude() to
> extrude an imported STL, because its content is always in 3D.
>
> Did anyone know a tip or trick to save 2D drawings into an STL and to
> extrude an STL file imported?
>
> Thank you all in advance!
>
>
>
>
>
>
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