There are some GUI-enabled CADs, but their users still prefer to script their designs instead. This applies to the specialised large-block CADs, like those for

There are some GUI-enabled CADs, but their users still prefer to script their designs instead. This applies to the specialised large-block CADs, like those for plant building, ship building industries and such. Increasing the level of abstraction makes it more rewarding to express the designs in code instead of dragging things with a mouse.