By Evan Widloski.
Source Code
Consider manually duplexing printing (print even pages, then place pages back into paper tray and print odd pages). Double-sided printing often results in alignment issues.

Printable Anki Deck

Convert an Anki deck to double-sided printable grid of cards.

Data Field Mapping

Select which data fields to display on each side of a card using a comma separated list of numbers, each number corresponds to a field.