![]() ![]() The total estimated print time for the arm is about 32.5 hours, although as mentioned earlier some parts can be printed together (the estimate was done using the print preview function of Afinia's software - my actual print time was difficult to calculate because I was still iterating through designs). In addition, I found that I needed to use a raft to both help the part adhere to the print platform and help the printer compensate for my table, which was not perfectly level. I used a resolution of 0.25mm and hollow fill for all the parts (other settings were set to the defaults). The parts are sized to fit on the bed of the Afinia H479 printer, and some can be printed together on the same platform to save time. The arm is about 20 inches long, so it takes a lot of time and material to print. power supply, capable of 2A (I used a standard bench supply for prototyping, so something like RadioShack 550 57676 (web only) or RadioShack 22 507 should work although you will need to regulate the voltage before sending it to the Arduino and servos).1kg roll of PLA filament - RadioShack 277 163. ![]() 10K Ohm resistor (8x) - RadioShack 271 1335.Printed circuit board - RadioShack 276 149.Potentiometer and knob (specific resistance doesn't matter) - RadioShack 271 215 and RadioShack 274 416. ![]()
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