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Test prints at different settings

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    • #291259

      I have sliced a portion of the HH Cottage base_A to 37mm tall and am printing it at different layer heights on my Prusa i3Mk3S (.15 QUALITY, .20 QUALITY and .30 DRAFT) to see what the differences will be across the total models. So far (5 mins into the first print), having sliced all three samples, the .15 layer height print time is 3h36m, the .20 is 2h48m and the .30 is 1h44m.

      If you are interested I will post photos so you can see any differences. I am doing this now because I want to figure out what print settings and layer heights I want to use. If anyone has already done this, please let me know!

    • #291278
      Brian Etty

      Definitely interested in seeing the results. I am currently printing them at .20 Quality with some minor modifications.

      • #293205

        If you don’t mind sharing, what are your settings and tweaks?

    • #293148

      VERY interested to see how they turn out, please do share! The prints for our studio pieces are done at .2 layer height so will be keen to see how these go.

    • #293199

      Okay, I have the .20 QUALITY and the .15 QUALITY test prints done. I decided to skip the .30 DRAFT as I can tell from the preview in Prusa Slicer that it’s too rough and lacks detail. I may do a test print of that just for fun this weekend. These are the preset Print Settings that are part of the PrusaSlicer, using my Prusa i3Mk3S, in Matterhackers PLA Jet Grey PLA.

      I honestly can’t really tell the difference between the .15 QUALITY and the .20 QUALITY prints–though my wife successfully did. I had to label them on the bottom to keep them straight. The difference between the print times was about an hour more for the .15 test print–and if I slice the entire model the .20 QUALITY preset is a 19h43m print, and the .15 QUALITY preset is 25h28m print–a difference of about 5 hours, 15 mins.

      • #293204

        The files are: HH-Cottage-Test-1-scaled.jpg is the .20 layer height, the HH-Cottage-Test-2-scaled.jpg is the .15 and the HH-Cottage-Test-3-scaled.jpg is both, with the .15 on the left and the .20 on the right.

    • #293381

      This is the cottage at 0.16mm. Unfortunately had to reduce size due to 2mb limit.

    • #293528

      Thanks for sharing your findings! I wonder if the smaller layer height will come into play more when it comes to smaller objects like some of the furniture stretch goals and the waymarkers.

    • #293533
      Brian Etty

      With something like this using the variable layer height feature can come in handy. So if you have a peak that you want be more defined as it comes to a point you can decrease the layer height on that part only and leave the rest of the model at like .2

      • #293565

        That is an excellent point and I never think to do that.

      • #293651
        Brian Etty

        I started to do it with tiles. the base of the tiles I would do even at .3 then as it got into the detail I shrunk it. Especially for flat tiles if you take the layer height down you get more variation and less flat areas.

    • #293694

      Curious as to what size people are printing at? Are people printing at the supplied 28mm scale? Or downsizing/upsizing?

    • #294168
      Brian Etty

      supplied scale for gaming. I am most likely going to print some lower scale ones, maybe even in resin as gifts at some point.

    • #295780

      First print of the Hagglethorn Tower.

      0.15mm layer height
      15% infill (Prusa – Support Cubic)
      Polymaker Polyterra grey PLA
      ~65 hours total, ~537g

      Roof printed prints fine without support, no issues with overhangs. Will look great when painted. The anchor pins are a little tricky to line up but once in place it doesn’t fall out.

      The tower printed without support, no issues. If i were to print it again i would add supports at the door overhang. Supports under the crenelations might help (will experiment) but with 0.15mm layers at this point it would be hard to improve (good spot to use variable layer heights).

      The base printed with custom supports (as supplied not so great for FDM), these added around 3 hours from the unsupported file. Painted on using Prusa Slic3r, same locations as in the provided file. Areas with supports are barely noticeable once removed. The larger bricks and the door overhangs are good candidates for variable layer heights. Supports shouldn’t be necessary for the bricks.

      Something to note is that the unsupported base model (Hagglethorn-Tower-Base-v1.3.stl) does not include the pins for the tower. Might have to print and glue these on later.

      Photos are using the harshest light i could get to show up any imperfections, before any major cleanup of the prints. Viewed from a reasonable distance on a table the layers are not noticeable, looks very much like a hand-sculpted model (many *squees* made over how good it looks).

      Next prints (Hagglethorn cottage) will use 10% infill (or less if possible) and more supports under overhangs. Finding that the Polyterra is great for ease of support removal, other filaments might cause more problems with too much support.

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