Mouse & navigation
Left drag · Orbit
Rotate around the current orbit point.
Middle / right drag
Pan the view.
Mouse wheel
Zoom in Orbit mode; move forward/back in Look Around.
Double-click
Fit the complete model in view.
Look Around
Left drag
Rotate the camera in place.
W A S D
Move through the model while staying level.
Q / E
Move down / up.
Shift
Move faster.
C
Hold while moving for slower, fine positioning.
Tools
Object Measure
Click directly on model surfaces for point A and point B. Measurements stay visible.
Flat Measure
Measure freely from the current view without snapping to objects. Useful in Top, Front, Back, Left or Right views.
Delete measure
While either measure mode is active, click an existing measurement and use Delete/Backspace or the Delete menu.
Clip Cube
Enable clipping, then move the X, Y and Z face sliders.
Views
Top, Bottom, Left, Right, Front and Back do not change your projection mode.
Performance tip: For bigger 3D files, make sure hardware acceleration is enabled in your browser. Without it, navigation and rendering can become very laggy.