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Trix[4] X-Acto Construction Sets

Trix metal construction system originated in Germany where it was manufactured from 1930 to 1999. It was also exported and/or made under license in the USA by the X-Acto Crescent Products Co. Inc. under the name Trix X-Acto

Manufacturer / Distributor

X-Acto Crescent Products Co. Inc., 440 Fourth Avenue, New York, USA

Info from the Metal Constructional Systems Database for TRIX [4] X-ACTO (Ref:TRX4)

System Type
as TRIX (inc MCX)
circa 1950 to 1956
Boss Type
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
(Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Units A-G, etc. Some parts nickelled & may have been made in USA; others probably imported.

Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They can also be downloaded to your computer if desired here

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