LEGO Technic replica of an Integraph, a mathematics instrument created in 19th century by Abdank-Abakanowicz, for plotting the integral of a graphically defined function. Designed in 2011, finally with instructions !…
Bilateral Letter Scale
New Instructions for the Cardan Lift
A LEGO Technic Great Ball Contraption Module, features a cardan gear lifting mechanism with stepped input tray, now with PDF instructions.
42180 Model B – Space Garbage Truck
Switchless Pneumatic Engine
A simple LEGO Technic Pneumatic Switchless Engine with one cylinder, custom valves, no set up and building instructions.
1/8 Car Trailer
Switchless Pneumatic Machine
A LEGO Technic Pneumatic Switchless Machine with adjustable timing, working throttle, with idle mechanism, and openable controls panel.











