When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Jing Zhang Wondering how to do Isometric drawing? Sometimes called isometric projection, ...

An axonometric perspective, also called parallel projection or axonometry, is an orthographic projection on an oblique plane as a means of representing three-dimensional objects. It is a very ...

THE value of block diagrams in geographical and geological instruction cannot be questioned, but many teachers find these difficult to draw, especially on the blackboard, at short notice. Prof. Lobeck ...