A birdcage (or bird cage) is a cage designed to house birds as pets. Antique (or antique-style) birdcages are often popular as collectors' items or as household decor but most are not suitable for housing live birds, being too small, or of unsafe materials or construction.ood quality cages designed for pet birds are more suitable. Most parrot cages are made or wrought iron and painted with a non-toxic paint referred to as powder-coating. However, the newest trend in the market is cages made of solid stainless steel.
A viewport is a 2D rectangle that defines the size of the rendering surface onto which a 3D scene is projected.
The current model space map appears in the new viewport. To change the display map assigned to a viewport. Switch to paper space. Select the viewport to change. Click Layout Tools tab > Display Maps and select the display map to assign. To remove the display map assignment from a viewport. Switch to paper space. Select the viewport to change.