if wheels looks at this pic:
change in lines 31-35:
replace with this code:
forge.build(randomWheel, {-0.5, wheelHeight, -0.75}, {0, 180, 0})
forge.build(randomWheel, {-0.5, wheelHeight, 1}, {0, 180, 0})
forge.build(randomWheel, {0.5, wheelHeight, -0.75}, {0, 0, 0})
forge.build(randomWheel, {0.5, wheelHeight, 1}, {0, 0, 0})