Ozark Trail 10oz Tumbler Handle

thingiverse

UPDATE: I've printed this using 1.75mm PLA at 185C in several colors but for some reason when I printed it in <a href="https://smile.amazon.com/gp/product/B00J0GPC80" target="_blank" rel="nofollow">Hatchbox blue</a> it was pretty tight. I didn't want to have to scale it up and reprint so I held it under hot tap water for a minute and it slipped right on. Just an FYI. I really liked the shape of [lolmodule's YETI handle](https://www.thingiverse.com/thing:1713270) and thought it would be easy to remix it to fit the small [Ozark Trail 10 oz. tumbler from Wal-Mart](https://www.walmart.com/ip/Ozark-Trail-4pk-10oz-Ss-Lowball-Tumblers/108089010) but it turned out to be quite the challenge. Most slide-on tumbler handles are designed with a very gradual taper that naturally squeeze a tall tumbler as they are pushed upwards. I tried that with this one but the angle was much greater since it is such a short tumbler so I could never get it tight enough plus it comes to a bulge near the top before tapering back inward again toward the lip. I finally figured it out in OpenSCAD by using two opposing cones stacked on top of each other so they hug the bulge. I rounded the edges of the cones using [Robo's Rounded Primitives](https://www.thingiverse.com/thing:58478). Print it upside down at 100% infill with no supports and simply push it up from the bottom of the tumbler until it won't go any farther and it will almost snap into place. I scaled the handle down way smaller than I thought I would because I found you really want to hold this small tumbler more like a coffee cup with three fingers than the full-fisted grip of a monster tumbler. Anyway, TMI, hope you like it :) https://www.youtube.com/watch?v=GQoVeJlxa0Y (Black) https://www.youtube.com/watch?v=lnAuxQwQQVM (Red)