A selection of 109s based on the G-10 by @Captain_Ahab_62 and the E-3 by @DeltaXF.
During WWII, the Kriegsmarine and the RLM issued specifications for both naval ("Trägerflugzeug") and high-altitude fighters ("Hohenjäger"), respectively. The Bf-109T and its successor, the Me-155, were to meet the former; The Bf-109H would fit the latter.
The Bf-109T ("Träger") came in two variants:
The 109T-1 has an extended wingspan, strengthened airframe and undercarriage, and a retractable tailhook.
The T-2 is the T-1, but without the tailhook ("Denavalized"). This is the variant depicted here.
Its successor, the Me-155, was based on the 109G airframe with a new wing (similar to a Ta-152H wing) and a wide-track, inward-retracting landing gear. It was developed into the BV-155 interceptor after the demise of Germany's aircraft carrier program. The variant depicted is the Me-155B.
The Bf-109H ("Heinrich") was based on the 109F-4 airframe with an extended wing. The landing gear was moved outboard as a result. Armament remained unchanged, since the Heinrich had to be light enough to attain a fast climb to altitude. It was ultimately canceled in favor of the Ta-152H.
Scaled to 1/200.