iOS Universal Reference
We've sorted out 100 3D models of Japanese joinery. Even without specialized knowledge, When you watch the 3D animation, you understand immediately.
How to use:
“Animation": By dragging the status bar at the bottom of the screen, you can control the animation.
"Rotation": When you drag up, down, left and right with one finger, the 3D model will be rotated.
"Zoom": Touch two points on the screen and move your fingers towards each other.