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HubTN.4 - 556k,k+, open beta (v6)
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@trem-mango @trem-mango:5
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RELEASE // lbry // b96fcf26c1a8a1efa3c8fd5…
Released March 12, 2025, 6:23 PM Indexed March 9, 2026, 1:07 AM 48.8MiB Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International

Open beta for the 556k & k+ variants in the HubTN.4 series. HUB as well as 3/4x16 versions are included. Lot more info in the assemble instructions.

v2 Update: I found a small ring of missing material on the underside of the 556k+ CORE, HUB file. It's only 2mm deep so not a total deal breaker if you have already printed it as the HUB adapter will extend far past the area. The v2 zip file has it updated.

v3 Update: Step files for Sleeve personalization was requested

v4 Update: Big improvement on the HUB threads, corrected the bore size

v5 Update: Small improvement to HUB threads; should be the last update for them.

v6 Update: Thickened all sleeve files by 1mm. This has been initially tested and is confirmed to work.

LBRY Tags: hubtn.4; 556; ftn.4; fosscad; 3d print

5.56x45mm CC-BY-NC-SA Remixable Sharable Beta
  • Explore release archive 27 entries
    This is a preview for indexing purposes only -- you must download this file directly from one of its sources to acquire any of these files. ZeroCompliance does not distribute gun design files or documents.
    EOCD Analysis Pane
    • HubTN.4 - 556k,k+ +5
      • HubTN.4 - 556k +7
        • 556k Sleeve .step files +3
          • 556k SLEEVE, F1_v2.step 545.4KiB
          • 556k SLEEVE, nonF1_v2.step 544.8KiB
          • 556k SLEEVE, smooth_v2.step 10.2KiB
        • 556k CORE, DT_v2.stl 6.5MiB
        • 556k CORE, HUB_v3.stl 7.2MiB
        • 556k SLEEVE, F1_v2.stl 8.2MiB
        • 556k SLEEVE, nonF1_v2.stl 8.1MiB
        • HubTN.4 - THREAD TEST, support blocker.stl 476.9KiB
        • HubTN.4 - THREAD TEST_v3.stl 454.6KiB
      • HubTN.4 - 556k+ +7
        • 556k+ Sleeve .step files +3
          • 556k+ SLEEVE, F1_v2.step 493.2KiB
          • 556k+ SLEEVE, nonF1_v2.step 492.4KiB
          • 556k+ SLEEVE, smooth_v2.step 10.3KiB
        • 556k+ CORE, DT_v2.stl 6.3MiB
        • 556k+ CORE, HUB_v4.stl 6.9MiB
        • 556k+ SLEEVE, F1_v2.stl 7.6MiB
        • 556k+ SLEEVE, nonF1_v2.stl 7.7MiB
        • HubTN.4 - THREAD TEST, support blocker.stl 476.9KiB
        • HubTN.4 - THREAD TEST_v3.stl 454.6KiB
      • Renders +2
        • 556k HUB+DT cores, F1+ nonF1 sleeves.png 237.7KiB
        • 556k+ slicer orientations.png 104.6KiB
      • 556k+ sleeve 5mm thic.stl 191.1KiB
      • 556k,k+ Assembly.pdf 22.7MiB
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