Navigation tips:

Left mouse click and drag anywhere on screen to move up, down, left, and right.

ALT+Left mouse click and drag anywhere on screen to move in 3D mode.

When you are on an object, only the object will move.

When you are NOT on object, all the objects will move.

CTRL+left mouse click and drag to move a group of objects

CTRL+ALT+left mouse click and drag to move a group of objects in 3D mode.

click the space bar when hover over an object to start/stop video/show image in new window.

watch the youtube view, or click on the link to see live how it works www.ifree3d.com