'Other' Constructional and Allied Systems Info & Downloads
Constructor (0) Construction Sets
Constructor(0) was an unusual construction system based upon the rhombus shaped part. It was produced in France in the mid to late 1910s. See Constructor(1) for the later development of this system.
Manufacturer / Distributor
Messrs Frégonara & Mangard, Lyon, France
Info from the Metal Constructional Systems Database for CONSTRUCTOR 
Hole pitch <12.7mm
circa 1917 to circa 1919
26 (see comment *1)
Variable (see comment *2)
4.3 (see comment *3)
--- (see comment *4)
Bolts: cheese (slotted)
Steel with a Steel finish
Lid has boy with 4 models including Tower, Bridge & Crane. 1st version of unusual system based on a Lozenge part. *1Including 10 of wood or card. *215mm for the Lozenge & 11mm for the Strip. *34.2-5mm. *4Winding Drum axle, no others.
The MCS document for this system is shown below. It can also be downloaded to your computer if desired here
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