This is a mount for a cheap eBay/AliExpress/etc USB charger to attach it to the handlebar of a motorcycle.
The STL files are for a 29 mm handlebar, but you can use the included Fusion 360 file to change the diameter. Just open the "vertical" sketch and change the diameter of the inner circle.
If you have a different type of the USB charger, you can edit the related dimensions in the "horizontal" sketch.
If you are not familiar with F360, you can find good tutorials by googling. Alternatively, you can post to me and I can add some other dimensions. However, just remember that I check this site rarely, so it may take a while before it gets done...
The link to the charger I used is below. Note that with this particular model I had to use Dremel to remove the existing mount, which was too small for my handlebar (and which was the reason I had to design this holder in the first place).
Note that the photos of the printed mount are of an earlier version and look slightly different.
usb_handlebar_mount.f3d | 204.6KB | |
usb_handlebar_mount_lower.stl | 469.3KB | |
usb_handlebar_mount_upper.stl | 792.0KB |