Make 2015 3D Printer Test
Make recently published their 2015 3D Printer test results and they also published the test files they used and how to evaluate them. https://makezine.com/2014/11/07/how-to-evaluate-the-2015-make-3dp-test-probes/
I decided to try on my Bukito and I’ve documented what I got here.
The Bukito was also scored on Page 61, so I thought it would be interesting to compare my scores to the magazine scores. I have the PLA cooling fan (with the optional duct( and the magazine model didn’t, so I think that contributed to some of the lower scores in the magazine.
I was using [1.75mm Gray filament]https://seacans.com/collections/pla/products/pla-grey-1-75mm-1kg?variant=845014559) that I purchased from seacans.com
I sliced the models in Cura. This is my settings file.
Here are my settings changes:
- Layer Height 0.2mm
- Printing Speed 30 mm/sec (although for many of these the actual printing speed was much slower due to the small size of the layers).
- I printed the first layer at 210C, and then dropped the temp to 190C for the remaining layers.
- I changed the first layer height to 0.2mm and 100% extrusion width.
Time: 00:38:08 My Score: 5 - I didn’t count the seam. 4 If I count the seam. Magazine Score: 4
X Measurement: 19.94 mm Y Measurement: 20.05mm There was a seam right on the Y axis - you can see it just left of center in the photo on the left. On the seam I measured 20.18 mm. So I think I’m over extruding just a touch.
I can also see some Z-axis artifacts (my z-axis has 1 mm thread).
Time: 00:48:21 My Score: Based on the description, I think this is a 4 or 5. The droops were all less than 2mm. Magazine Score: 2
Time: 01:27:00 My Score: 4 Magazine Score: 2
The 70 degree overhand wasn’t pretty on the back, but no drops.
UPDATE: I rotated the model 90 degrees and got much better results. See this post.
Negative Space Tolerance:
Time: 00:52:41 My Score: 4 Magazine Score: 2
I printed this a couple of times. One time, all of the pegs came out, another time, the smallest clearance peg won’t come out. I can see it moving, but there is something inside holding it in.
Fine Positive Space Features Performance:
Time: 00:25:05 My Score: 3 Magazine Score: 3
Mechanical Resonance in XY:
Time: 00:38:33 My Score: Pass - no rippling. If I printed at 100 mm/sec then I know I would see some rippling. There was some slight over extrusion on the left-hand corner (seam location). The remaining corners all looked really good. Magazine Score: Pass
I wound up using the model with 1mm walls. I see a faint herringbone pattern which I think comes from the fact that the synchromesh goes over a pair of bearings at the end rather than over a proper synchromesh pulley (like the one on the stepper motor). I see the same pattern on both X & Y.
The photo on the left shows the synchromesh going over the bearing, and the photo on the right shows the synchromesh pulley.
Mechanical Resonance in Z:
Time: 01:29:49 My Score: Pass Magazine Score: Pass
I couldn’t see any of the Z artifacts on this print that I could see on some of the other prints.
I also printed the Maker Faire Robot Action Figure and all of the joints move:
There was a little big of sagging under the arms, but everything else seems to be good.