Staind RC Tank - Meaty Tracks

These are 4 alternative, beefed up, designs. I liked some of the properties of this remix
https://www.thingiverse.com/thing:2862231
But the treads I chose kept breaking due to having to drill the holes out to accommodate M3 bolts so I decided to redesign the treads and came up with these meaty tracks. They're 2mm thicker than the others and no drilling is necessary.

For increased strength (and bed population) print them short side down (bolt hole facing the bed) with only supports from the