dibujar formato de papel ISO A3 en espacio modelo - command description

To draw ISO A3 paper format in MODEL:
1. Specify orientation (H - horizontal, V - vertical)
2. Specify scale (1:X)
3. Specify centre of created paper.

Command set the right scale basing on APLUS units. Available options:
aum - metres
aucm - centimetres
aumm - millimetres