October 1, 2022
Description
This is a remix to suit 20 series extrusion of the Kraken designed by Michal and Joanna of Golem3D. The Kraken is an apparatus designed to break the Power Test model. This process will help you determine if the interlayer weld strength of your 3D printers is sufficient.
The Power Test model: https://www.thingiverse.com/thing:5368339
Power Test and Kraken page with guide video: http://g3d.eu/pt1/
Original Kraken design: http://g3d.eu/kraken/
My guide video:
Printing
2 x arms required and 2 x drill jigs recommended. One of everything else. Parts are already oriented. No support required. I used PLA with 50% infill for strength.
Assembly
Covered step by step in the video above.
Drill each large hole out to 6mm except the deepest hole in the pushrod piece.
Drilling jig to be clamp flush with the end of extrusion before drilling 6mm bore.
Hardware
2040 or 4040 extrusion, at least 250mm in length.
Cradle to extrusion - M4 x 16/18mm x 4 + M4 T nut x 4
Wedge to extrusion - M4 x 12mm x 4 + M4 washer x 4 + M4 locknut x 4
Wedge to push rod - M6 x 30 + M6 locknut
Pushrod to arms - M6 x 30mm x 2 OR M6 x 70mm + M6 locknut
Arms to extrusion - M6 threaded rod + M6 washer x 2 + M6 lucknuts x 2 OR M6 x 70mm + M6 locknut
License:
Creative Commons — Attribution — Noncommercial
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