This method is by far the easiest but requires good timing.

Step 1: Find the object you want to make float

Step 2: Pick it up and bring it to the position you want it at. It cannot be colliding with another object.

Step 3: While holding down left click, click esc and continue to hold it.

Step 4: Release and QUICKLY re-press left click while still holding escape.

Step 5: Release escape and press "Continue"

This method is unreliable but super easy to do.

Step 1: Find the object you want to make float

Step 2: Pick it up and bring it to the position you want it at. It cannot be colliding with another object.

Step 3: While holding down left click, click ctrl and esc.

Step 4: Click back into the game where the object may or may not be floating now.

This method is VERY unreliable

Step 1: Find the object you want to make float

Step 2: Pick it up and bring it to the position you want it at. It cannot be colliding with another object.

Step 3: While holding down left click, click t to open chat.

Step 4: Close chat.