Well, these are the most important pieces, now it make a dotted and drill (which has no mystery), one thing that if it could be funny / curious, are the nuts with hex screws that hold the pads to the chain, finally i did it with my cnc router, the pieces were made in brass, nuts are threaded to M2 and measure 3x3mm, totaling 405 nuts, machined with a 1.5mm drill (the champion of end mills)
a little video of the machining
https://www.youtube.com/watch?v=NHkC...ature=youtu.be
and finally .. I could assemble the track
more photos, this is the time of the hubcaps for the traction wheel, made of aluminum
the master piece is made in 2 pieces, one milling and the other are made using laser engraving
after that, both are join
the mold and the wax copies
the result of the casting
salu2!