除了以 3D滑鼠(軌跡球) 控制3D CAD外，另一替代方案為使用
Maide Control，iPad 端需至
App Store 下載 ($4.99)， PC 端則為免費
下載，兩者間透過 Wi-Fi 或 Ad Hoc 方式連線，目前僅支援Windows系統，Google SketchUp、Rhino 軟體、將來會支援 Mac、AutoCAD....。可參考圖片及短片初步了解，詳細資料請至官網
Maide。
Connect
Free Maide Connect desktop software, you can connect your iPad to Google SketchUp or Rhino. This connection is authenticated and secure to protect your computer and its contents. We currently support connections over Wi-Fi and Ad Hoc networks.
We currently only support Windows, but Mac support will be coming very soon
Control
Use the multi-touch screen to pan, orbit, and zoom your model, as well as snap to orthogonal views. You can even control your mouse and keyboard from the iPad.
KEY FEATURES:
✔ Pan, orbit, and zoom your 3D model for slick presentations
✔ Quickly snap to orthogonal views (top, left, right, front, back)
✔ Gesture based tool selection with our innovative radial menu
✔ Connect multiple iPads to the same model for collaborative viewing
✔ Quickly save screenshots of your models to your iPad for easy sharing
✔ Use your iPad screen as a trackpad to control your mouse cursor
✔ Use your iPad's on-screen keyboard to type on your computer
✔ Standardizes basic controls across all supported 3D applications
✔ Quick auto-connect for frequently used connections
✔ Only authorized people can connect to your computer
✔ Connects to your computer via Wi-Fi or ad hoc network
It can be downloaded at www.maideinc.com/downloads .
