3D Cannon

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3D Cannon
3D Cannon is a setup that looks similar to a DT Cannon, with the only difference being that it results in an STSD after the first T-Spin Double is cleared. So, it is usually 3 T-Spin Doubles in total.

Third Bag and Fourth Bag
You have to be able to perform the second TSD while doing any of these Third and Fourth Bag Setups.

You have to do this spin but can begin building the right or left side before spining depending on the variation.


 * TSD

Just doing a third TSD. Only required piece is the I piece.

Example on how to stack a TST Tower.
 * TST Tower


 * TST

Examples on how to stack a TST.


 * Imp Cross

This stack leads into a potential Imp Cross Loop.