"Guy King" wrote in message
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The new kid on the block is SketchUp - a highly intuitive 3D package -
I like. http://www.sketchup.com/

Great fun, but I still haven't managed to get it to do arrays rotated
round a centre.

--
Skipweasel

SketchUp looks great for rapid sketching of a building; but how does one
generate an aggregation of items into a 'building'? In other words, one can
rapidly 'sketch' a bog-standard' house, with hipped roof -even 'paint'
tiles- and generate windows with transparency form 'surfaces'; but if one
wants to 'construct' a roof using rafters, purlins, and joists of certain
sizes at certain spacing .... how does one start?

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Brian