User Manual
  InventorⅡ User Guide | www.flashforge.com                0086-0579-82273989 
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Method 2: Press the shortcut Ctrl+Z. 
② Redo 
Allows users to redo the most recent edit you have undone to your model file by the 
following two methods 
Method 1: Click [Edit]--[Redo] 
Method 2: Press the shortcut Ctrl+Y. 
③Empty Undo-stack 
To clean up the recorded operating steps so as to release the memory. 
 ④ Select All 
By the following two methods, you could select all models in the scene. (When 
models are too small to be seen or out of viewing scope, please click [Center] and 
[Scale] buttons to adjust the model.) 
Method 1: Click [Edit]--[Select All]. 
Method 2: Press the shortcut Ctrl+A. 
 ⑤ Duplicate 
Select the object and duplicate the object through the following two methods: 
Method 1: Click [Edit]--[Duplicate] 
Method 2: Press the shortcut Ctrl+D 
⑥ Delete 
Select the object and delete the object through the following two methods: 
Method 1: Click [Edit]--[Delete] 
Method 2: Press the shortcut Delete 
⑦ Surface to Platform 
After selecting the model, you can make the model surface to platform via the 










