Press CTRL+hold the right mouse button and drag

Pans the view

Spin the mouse wheel

Zooms in or out

Zoom is centered on the location of the pointer

Left-click

Selects a part

Press CTRL+left-click

Selects additional parts or deselects a part

Hold the left mouse button and drag from right to left

Hold the left mouse button and drag from left to right

Selects all the parts that are partially contained by the bounding box

Hold the right mouse button and drag

Rotates the model

Hold the right mouse button and drag. Then, release the mouse button while dragging.

Model continues to rotate

Click in the graphics area to stop the rotation

Press CTRL+hold the middle mouse button and drag

Slides the camera across the model

Further the mouse moves, the faster the motion

Press SHIFT+hold the middle mouse button and drag

Orbits the camera around the model

Press SHIFT+hold the right mouse button and drag

Zooms in or out

Drag down to zoom in, and drag up to zoom out. Drag right to rotate clockwise, left to rotate counterclockwise.

Hold the middle mouse button and drag

Flies in or out

Move the mouse forward, backward, left or right to fly in that direction. The further the mouse moves, the faster the motion.

Double-click the part

Zoom to part

Double-click in the graphics area

Zoom to model