Intspin

The "Intspin" is a T-waste one-bag opener that allows for the user to complete a Neo-TSD with a second T piece. Including mirrors of two forms, it has a 95.56% chance to be built in the first bag.

First Bag
The first form covers 37.78% of bags without a mirror. The second form covers 50% of bags without a mirror.

Continuations
Neo-TSD is presented below.

After the Neo-TSD, continuations are left as an exercise to the player. Examples are [not] shown below [for now].