Reuben Pearse <reu### [at] pearsecouk> wrote:
> Hi all
>
> I've been experimenting with rendering Lego models.
>
> Using a combination of MLCAD, Dat2dxf, PoseRay and POV-Ray 3.6 I've
> managed to render this scene (this is just using the PoseRay default
> radiosity settings)

Good job with the conversion! There is also a CSG-based Lego library somewhere.
It overcomes triangle-mesh artifacts, while possibly increasing the render time
;)

> I would appreciate some help in getting the texture/light settings right
> to simulate realistic looking Lego plastic!

A higher-than-default brilliance setting may help, if you haven't already given
the textures that. Specular highlights help. Some refraction for those
transparent pieces is definitely needed. And fresnel reflection, of course.

> Also, any suggestions on how to get rid of the strange artifacts that
> appear on the "ridged" brick.

I agree with Bill. They look a lot like radiosity artifacts. Good things to keep
in mind: lower error_bound tightens the sampling, higher count increases the
samples, and a higher nearest_count smooths the patches. As Bill also said, a
lower pretrace_end could help  :)

Sam

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