Ultimaker GoPro camera Ski Pole mount - Fixed V3

I had chance to have another look at these and revised them a little bit more.
Naming convention-
mm small fixed- to suit 14mm dia pole, slide on GoPro case
mm large fixed- to suit 18mm dia pole, slide on GoPro case
the mm * prefix denotes it has been run through meshmixer to add some temp. supports (you may need to re orientate it on the bed, those circular discs are the temp supports and should be on the bottom, ie on the print bed, they break off easily once the print is complete)
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