[pstricks] Corners of \pstThreeDBox look ugly

[Herbert Voss]

Christoph Bersch schrieb:

> when using thicker linewidths, the corners of \pstThreeDBox look ugly. 
> Consider the following example:
> 
> \documentclass{article}
> \usepackage{pst-3dplot}
> \begin{document}
> \begin{pspicture}[showgrid=true](-2,0)(4,2)
> \psset{Alpha=80,Beta=5,linewidth=0.1cm}
> \pstThreeDBox[fillcolor=white,fillstyle=solid](-15,-1.5,0)(15,0,0)(0,3,0)(0,0,0.3)

\pstThreeDBox[fillcolor=white,fillstyle=solid,
	linejoin=2](-15,-1.5,0)(15,0,0)(0,3,0)(0,0,0.3)

> \end{pspicture}
> \end{document}
> 
> Version of pst-3dplot is v1.77, 2007/10/03
> 
> Is there any way to fix this?

Herbert