Double Hemisphere map template with Polar insets in Stereographic Projection with a 15° graticule.
In The GIMP, simply open and specify pixel dimensions to render.
In Inkscape open the Layers palette to turn on the background and feature layers and start drawing. The background and feature layers are masked.
Should work with any other SVG capable software.
Please attribute as:Double Hemisphere Template
, Copyright 2011, Kevin Michael Smith. Used under the terms of the Creative Commons Attribution License 3.0
Including that in the description on dA is sufficient.