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Formator Construction Sets

Formator was an interesting construction system with long slots in its parts. It was made in Germany from around 1913 to 1915.

Manufacturer / Distributor

Abr. Wundes, Union-Werk, Solingen, Germany

Info from the Metal Constructional Systems Database for FORMATOR

System Type
Hole pitch <12.7mm
1913 to known in 1915
Boss Type
push fit (see comment *1)
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
70 (more than)
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
5 (see comment *2)
Diameter of Axle Rods(mm)
3.5 (see comment *3)
Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Long slots in Strips (including Curved Strip), Angle Girders, Plates. *1*2*3 3.5mm Axles & also brass? 5mm Tubes (Axles), with split ends, expanded by 'bung' to hold Wheels, etc.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

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The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

Below there are manuals/leafets which can be downloaded by clicking on the appropriate image.

A Formator manual.