To figure out whether or not the 3-D printer was precise in printing out our pieces, we brought our cube to the lab to measure a few things, after a quick trip to the machine shop to deconstruct the cube. The troubles found were that the pegs were were too large for the microscopes and the surface of the cube was too rough to differentiate the ridges of the pegs.
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| Figure One: Microscope |
To better differentiate the pegs and the surface of the cube, the pegs were colored with black expo marker.
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| Figure Two: Computer |
The pegs were too large for the camera to pick up, so to take the measurements of the diameters and spaces between, two measurements were taken. Two measurements of the diameter of the pegs were taken, .2664 centimeters and .2631 centimeters. The distance between the pegs were taken as well, at .2924 centimeters and .2818 centimeters. The measurement for the diameter in the peg was supposed to be .2 centimeters and the measurement between .3 centimeters. The average percent differences between the ideal diameter and distance and the real one are 32.3% and 4.3% respectively.
