We are now developing gears and gear rods for Makeblock platform, all these parts will be made of aluminum extrusions, gears, the modulus of gears are all 1, this is the same as the Lego gears.gears are in three size, with pitch circle diameter 16mm,48mm and 80mm. as shown in the following pictures.
we also design the gear rod, as shown below
the gear rods can be connected together.