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Bildal Construction Sets

Bildal was a simple construction system using strips with forked ends. It was made in the USA from around 1928 to 1932 and exported to Argentina.

Manufacturer / Distributor

The Bettcher Stamping & Manufacturing Co., 3100 West 61st Street, Cleveland, Ohio, USA

Info from the Metal Constructional Systems Database for BILDAL

System Type
Non-Meccano type
1928 (see comment *1) to circa 1932
Boss Type
not tapped
Boss Thread
6-32 (see comment *2)
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
3.7 (see comment *3)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: --
Bolts: round (slotted)
(see comment *4)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Strips with forked ends spring into Angles. Wheels but no Pulleys. *1 Reputed date of Xmas ad, 1929 for sure. *2-*3 Only Screw is in U Collar. *4 A few 3.5, & in Angle.

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

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