12 Squared was one the few garage manufacturers that used an injection molding machine to produce models. The injection molding machine was quite small, so most kits were produced using several molds. One example is the XF-85 which was made with seven different molds. Production numbers were usually in the high-hundreds. 12 Squared always sold directly to the customer, via advertising in Fine Scale Modeler and perhaps other magazines. Judging from the release dates, 12 Squared started in 1986 or 1987, and stopped around 2000. The owner has plans to restart the business once he has more time.
Note: the 'Issued' and 'Original price' data was taken from the header cards
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# | Description | Issued | Original price | Remarks |
| 1-1 | EP-3E | - | 3.50 | conversion set |
| 1-2 | A-12 / M-12 + D-21 | - | 6.00 | conversion set |
| 1-3 | AEW&C P-3 | 4.50 | conversion set | |
| 1-4 | Backfire-C | 1988 | 4.50 | conversion set |
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# | Description | Issued | Original price | Remarks |
| 2-1 | F-4X(S) HIAC | 6.50 | conversion set. In advertisements this kit is usually listed as 2-2. The header card and instructions say 2-1 | |
| 2-2 | BGM-109 Tomahawk | 4.50 | In advertisements this kit is usually listed as 2-1. The header card and instructions say 2-2 | |
| 2-3 | DFW T28 Floh | 1987 | 8.50 | |
| 2-4 | EP-3E | 1987 | 6.00 | conversion set |
| 2-5 | Heinkel He-178 | 9.50 | ||
| 2-6 | Bell X-1 | 1988 | 12.50 | |
| 2-7 | Northrop X-4 | 14.50 | ||
| 2-8 | Loening M-8-0 | 1989 | 14.50 | |
| 2-9 | Loening Pulitzer Racer (1920) | 1990 | 12.50 | |
| 2-10 | GAM-67 Crossbow | 1989 | 7.00 | |
| 2-11 | Deperdussin | 1989 | 9.50 | world's fastest aircraft 1913 |
| 2-12 | Me-262 Lorin | 1990 | 6.50 | conversion set |
| 2-13 | Dayton-Wright RB-1 Racer | 1990 | 12.50 | |
| 2-14 | McDonnell XF-85 Goblin | 1990 | 14.50 | includes dolly |
| 2-15 | HL-10 | not issued due to production problems | ||
| 2-16 | Bell X-1E | |||
| 2-17 | JB-2 / Loon / V-1 (Fi-103) | 1991 | - | ex SMDC |
| 2-18 | Morane Saulnier Type L | 1991 | - | |
| 2-19 | Hatry Opel RAK-1 | 1991 | ||
| 2-20 | Bell XP-77 | 1992 | - | |
| 2-21 | Me 328B-1 | 1993 | - | |
| 2-22 | Heinkel He 176 V2 | - | - | |
| 2-23 | Leduc 010 | |||
| 2-24 | Heinkel He-176 | 1993 | - | |
| 2-25 | Re 2005 Sagittario | 1994 | - | |
| 2-26 | Mitsubishi J8M Shusui | 1995 | - | |
| 2-27 | Yokosuka MXY-7 Ohka 22 | 1995 | - | |
| 2-28 | Kawasaki Baika | 1996 | - | |
| 2-29 | Northrop JB-10 | 1996 | - | |
| 2-30 | Gnat 750 | |||
| 2-31 | 'Fat Man' Mk4 Atomic Bomb | - | - | |
| 2-32 | Consolidated Liberator Mk.III/IV ASW | - | - | conversion set |
| 2-33 | T12 bomb | - | - | 42,000 lbs bomb |
| 2-34 | Ryan Firebee 2 | - | - | |
A 1/72 NF-104 conversion set is reported in Steve Ginter's NF-104A book ('Air Force Legends Number 204: Lockheed NF-104A Aerospace Trainer', 1999). It is described as a test shot for an upcoming kit. | ||||
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# | Description | Issued | Original price | Remarks |
| 3-1 | BGM-109 Tomahawk | 'Tomahawks Over Baghdad' | ||
| 3-2 | He 176 | 1993 | - | |
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# | Description | Issued | Original price | Remarks |
| 4-1 | CSS Hunley | - | - | American Civil War Confederate submarine |
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# | Description | Issued | Original price | Remarks |
| ? | B-2 | 2.50 | ||
According to John Burns PAK-20, 12 Squared briefly used the brand name 'Miropet Brothers' to market three resin-cast kits produced by KPM-Prague. They were 1/72 models of the Bachem Ba-349A, Mikoyan-Gurevich I-270Z and Polikarpov I-17. The latter was reviewed in the December 1986 issue of Fine Scale Modeler.