Evaluation of members on the printability, utility, level of detail, etc.
3D model description
2019.07.18 Printed, and it works spectacularly! I've got one fully compatible spare wheel. The 'wheel hub' is the only hard part to print (lots of overhangs no matter how you do it) so I've added designed-in supports. Refined the other designs a fair bit too. This thing is so cool. So satisfying to have every roller click perfectly into place on the first prototype print.
2018.07.19 Heavily updated the hub to print 180º flipped from before. Allows for some needed geometry that was missing before. Prints great!
I've now switched to printing with a 0.6mm nozzle for a large improvement in print speed and strength. As a side effect the added-in supports become small to slice/print since I'd designed them for single-width 0.4mm nozzles. If you want to use anything but a 0.4mm nozzle you'll need to edit the 'printable' tab in the OnShape, I made a variable just for such things.
The new Robomaster S1 is out, and it's a pretty freaking incredible design. BUT there aren't any spare parts available!? I'm fixing that with with my open-source S1 CAD modeling.
Progress / completeness
So far I've recreated my favorite part of the design: these incredible mecanum wheels. They're 12-wheel, 45º, and 96mm in diameter. They've got a unique internal rubber dampener that effectively gives this robot freakin' suspension.
More to come. Leave a comment with what you'd like to see.
Using this in other robots
If you'd like to use one of these wheels for your own system all you'll need to do is modify the wheel hub component to fit your motor, should be super easy.
You like Cults and you want to help us continue the adventure independently? Please note that we are a small team of 3 people, therefore it is very simple to support us to maintain the activity and create future developments. Here are 4 solutions accessible to all:
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