(From a tech support ticket at projects@carbide3d.com)
Wheels can involve more than just cutting out circles w/ a hole for an axle.
Import that as a reference image:
Draw in the geometry for the wheel:
(if need be, adjust the positioning of the background pixel image)
Assign toolpaths:
First, cut the central rim for the wheel:
Then select the insets for the lug nuts and assign a pocket toolpath which starts at the bottom of the previous pocket:
Then select the circle for the hole for the axel and again, start at the bottom of the previous pocket:
Lastly, cut out the tire — it will be necessary to offset to the outside by the endmill diameter plus 10%:
Then cut as a pocket down to tab height:
(note that you may need a special long-reach endmill if your tires are esp. thick)
and of course assign Tabs in the Design pane:
Lastly, finish cutting out the tire w/ a Contour toolpath which starts at the bottom of the previous pocket and allows tabs:
Which all previews as:
3 Likes
@WillAdams Looks like you popped a wheelie.
What? No rounding of the edges? 
Wasn’t drawn in, and there’s no tool support for it in Carbide Create.
For folks who wish to do this, see:
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