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 % Use open-source programs using census data to draw district boundaries. 2 entries 2 3 2
66.67 % District boundaries should be drawn by a non-partisan committee. 1 entry 2 3 2
66.67 % District boundaries should follow natural boundaries. 1 entry 2 3 2
66.67 % District boundaries should follow established administrative boundaries. 1 entry 2 3 2
33.33 % Districts' shapes should be rectangular(ish). 2 entries 1 3 1

Check the 4 blog entries discussing this poll.