Lamp Switch Gear Knob with TPU Inner Core
prusaprinters
<p>I have 5 of these type lamps (3 from IKEA) but, as I found out, the knobs on the switches can have slightly different diameters. After first trying to use PLA & PETG to grip the knobs, I gave up, as the tolerances were becoming a pain. So I designed it with the TPU insert.</p><p>There are 2 files for the TPU Inner Cores, having a 5.5mm dia. hole or a 5.6mm dia. hole. One or the other worked for all my lamps. With these cores set with 10% infill and 1 perimeter, it allows for a snug fit inside the knob and also on the switch. I've been using these for months and have had no issues.</p><p>The cap should snap on with no glue. The TPU is just pushed into the knob (no glue) until it approximately reaches the cap, where there will be a space at the bottom to help hide the nut on the switch. Then just push the assembled knob on the switch.</p><p>Note: I used SainSmart TPU 95A for the cores on my MINI+</p>
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