HK Rattler upper suspension arm
thingiverse
After wrecking my 1:8th RC Hobby King car for the umpteenth time, I trashed the rear suspension. Luckily, another member shared their design for a Lower arm that fit like a glove, so I decided to engineer my own upper arm. I printed it at 90% infill and a layer height of 0.2mm, and it seems to be holding up just fine so far. To ensure a snug fit, I tapped the bolt hole to M4.
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