Sportube Bumpers
prusaprinters
My Sportube series double ski case after many flights needed some protection at its base. After being dented several times I thought a TPU bumper would help it last a few more years.I printed the ones pictured in Ovature TPU 95A Space Grey with 2 perimeters and 20% infill. It took 4 hours per bumper to print my MK4 at 30mm/s max speed with with supports from the built plate. It looks good and feels robust.Now glueing TPU to the HDPE can be a challenge. I used 3M™ Scotch-Weld™ Structural Plastic Adhesive DP8005 which is designed for HDPE and it has stuck well.
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