What rules to adopt to draw district boundaries and avoid gerrymandering?

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What rules to adopt to draw district boundaries and avoid gerrymandering?

Policy wiki:
http://minguo.info/usa/wiki/gerrymandering
Listing in manifesto:
http://minguo.info/usa/manifesto/democracy

Choice Blog entries Votes for votes score
66.67 %District boundaries should be drawn by a non-partisan committee.0232
66.67 %District boundaries should follow established administrative boundaries.0232
66.67 %District boundaries should follow natural boundaries.0232
66.67 %Use open-source programs using census data to draw district boundaries.1 entry232
33.33 %Districts' shapes should be rectangular(ish).1 entry131

Check the 4 blog entries discussing this poll.