Talk:Multiview orthographic projection

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Mnemonics[edit]

How does an "actor on a stage" help one remember how First angle projection works? (If I understand First angle projection, it is the "shadow" you get after illuminating the object from infinity) Equally how does a "shark in a tank" help one remember third angle projection? (If I understand third angle projection, the object is in a glass box and you draw on the box what you see through that window) -- SGBailey (talk) 09:12, 4 March 2014 (UTC)

Where?[edit]

I don't understand exactly where the "Third Angle" system is used in the world. There isn't a map or a table. Does anyone know this thing? Thanks. --193.204.41.211 (talk) 14:33, 12 March 2014 (UTC)

In particular, is this system used in China? --193.204.41.212 (talk) 14:40, 12 March 2014 (UTC)