'Other' Constructional and Allied Systems Info & Downloads

Select System Type      Select Country       (816 systems found)

Metallo-Trigon Construction Sets

Metallo-Trigon was an unusual construction system. It used triangular shaped parts to make models. It was made in Germany from around 1913 to 1926.

Manufacturer / Distributor

Initially: Metallo-Trigon GmbH, Offenbach, Germany
From 1916: Stanzwerke GmbH, Eisenach, Germany
From 1919: Stanzwerke u. Schlossfabriken GmbH, Bad Liebenstein and Sachsendorf bei Eisford, Germany
From 1920: Stenzwerke GmbH, Sachsendorf and in 1923 from Eisenach, Germany

Info from the Metal Constructional Systems Database for METALLO TRIGON

System Type
Non-Meccano type
1913 to circa 1926
Boss Type
Boss Thread
M2 (see comment *1)
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
12.5 (see comment *2)
Diameter of holes in Strips(mm)
3.2 (see comment *3)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: hexagonal (slotted)
(see comment *4)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
(see comment *5)
Size of the Nuts across Flats (mm)
6.0(see comment *6)
Bolt diameter (mm)
6.0(see comment *7)

Clamping NBW join Triangles edge-to-edge with Double Angle Strip crossways. *1 & 2.4x.65. *2 some parts 12.0, 8/8.5 for Double Angle Strip outer holes. *3 Typical but up to 3.4, & 2.9 also. *4*5*6*7 & hex nut & round slotted bolt brass plated steel 6.3 6.0. Nickel plated steel also possible.

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

NOTE : If the MCS document does not appear in the window below, then refresh the page.

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

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

The Metallo-Trigon manual for set 0
(Added 15/11/2018)

The Metallo-Trigon manual for sets 1 to 3
(Added 18/10/2018)

Another Metallo-Trigon manual for sets 1 to 3 - this manual came with the next set photos
(Added 11/03/2021)

Photos of a Metallo-Trigon set - the previous manual came with this set
(Added 11/03/2021)

The German patent for Metallo-Trigon
(Added 15/11/2018)

The Swiss patent for Metallo-Trigon
(Added 15/11/2018)

Various photos of the Metallo-Trigon construction system
(Added 15/11/2018)