Draftsman

 is a Tier 5 Tank that upgrades from Boomer, Builder-2 and Obliterator-2 at level 60.

Design
The has two Producer turrets on either side of the tank. They each look identical to Producer, but scaled down to about half normal size.

Technical
Strangely, the blocks all curve to land at the location the cursor was when fired, even though they point in different directions like Auto-turrets. This actually overrides the turrets' aiming, meaning this tank pretty much always shoots towards the mouse.

As the

 * Because of the quirk of the Builder-2 branch mentioned in the Technical section, this tank is still pretty good at sniping. It is obviously not as simple as using plain Producer, but as far as Auto-2 branches go it is quite accurate.