Since I am living in Barcelona and we definitely use metric standards here in Catalunya, I am using 20mm stainless steel square tube. The MDF for the base and top is 16mm, but that's just for this first prototype. I am hoping I can get some nice CNC machined 10mm thick metacrilate parts for the final version of the Delta Steel. We'll see.
Anyway, here are two pictures showing most of the parts set aside for assembling the first prototype.
The power supply is a very nice quality Lepa 450W ATX PSU which I bought on Amazon Spain. It's semi-modular so that should help to keep things clean and organized by cutting down on the number of cables that will go to the printer. On the picture above one can also see the MK2B PCB heatbed with cork insulation, the mini Kossel effector with an E3D hotend mounted and some PTFE tubing, and the carbon fiber tubes and Traxxas 5347 ball links.
And here we have the three stainless steel columns with the carriages already assembled and installed, the electronics, the steppers and some more parts. Still missing because I have not printed it yet: the entire extruder assembly. I haven't made up my mind yet on whether to use a Greg's Wade extruder with a hobbed bolt, or a direct drive extruder such as the very popular Airtripper Bowden extruder. Each type of extruder has its advantages and disadvantages. Either way, I have both the MK7 and MK8 gears and I also have a couple of hobbed bolts so it's more a matter of printing both kinds of extruders and testing/comparing them; but that, as usual, takes time.
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