I am impressed by ease of use teachpack/htdp/image. I have looked around, but have not found a tool create an image whose pinhole is at the north-west of that of an image haviing its pinhole in the centre. May be a stupid question. Of course I have seen nw:rectangle, but I have not seen such thing as nw:star. Is it possible (and derirable) to provide something like (move-pinhole-nw image)? Jos
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