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EthnoRanker
Like Ethnoguessr + a tier list. Select your preferred ethnicity in multi-round 1v1s, get your ranking, and see how people from other countries around the world ranked them.
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Letterboxd Following Tools
Get a list of films that multiple people you follow rated highly, plus other tools
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Cube Dice Line Puzzle
Draw closed loops of straight lines across the faces of a cube, so each face ends up showing its own dice number. Nine puzzle variants, every answer counted exactly.
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Valley Gutter Design
Size a NSW roof valley gutter against AS/NZS 3500.3, with a fold schedule, section drawings and the compliance checks. Performance Solutions are backed by the project’s own roll-wave CFD.