Yep, you can't see it in the photo but the base is vented. With those vents and the slot for the throttle control that provides sufficient air for the mower (pretty sure the OEM part for this style was also solid).
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Got a cheap mower missing the air filter cover, so I printed a replacement cover | Spyke
Image won't load for me but great use of 3D printing for sure.
Looks perfect! Love these little one off projects.
Neat, but hopefully the air gets in there from somewhere off camera?
Or don't you need to put some vent holes in the top?
Yep, you can't see it in the photo but the base is vented. With those vents and the slot for the throttle control that provides sufficient air for the mower (pretty sure the OEM part for this style was also solid).