Plot parametric 3D curves



Hello everybody,
I'm new to this list and I have a simple question regarding plotting.

How can I plot parametric 3D curves in Maxima (using gnuplot)?

For instance, I'm interested in plotting a Helix using the arclength "s"
as the parameter.

Best regards,
Johan


Johan Ekh

ABB AB, Corporate Research
GFCR / CS
Västerås

Phone: +46 21 323227
Fax: +46 21 323212
email: johan.ekh at se.abb.com