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Prototypia was a professional system for use in teaching and in industrial development work. It was made in France from the 1960s to the late 1970s.

Manufacturer / Distributor

S.E.N., Nantes, France

Info from the Metal Constructional Systems Database for PROTOTYPIA (Ref:PRA)

System Type
Professional type and Mainly Rods/Tubes
1960s to late 1970s
Aluminium (Alloy) (some significant doubt)
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)
Types of Nuts and Bolts
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Square Tubes, Strips, Plates, & probably mechanical parts.

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

There are currently no manuals, leaflets or photos etc. available for downloading. If you can supply any, please get in contact with me.