App Name Select By Floor/Roof/Ceiling App Video https://youtu.be/JH9utI-knxA App Description This app helps to select elements in the boundary of floor, roof, or ceiling. Select target elements(floor, roof, or ceiling) ans set top/bottom offset, and click OK button. Then all elements in this boundary will be selected. And filter categories you need. General Usage Instructions 1. Launch the app. 2. Select target elements(floor, roof, or Ceiling). 3. Modify range of top and bottom offset. 4. Click OK button. 5. Selection Filter window will appear. 6. Select categories and click OK. Support Information m odelingstore@gmail.com