Make: Volume 74

Mel Vallero, Adobe Stock - Vjom, Caleb Kraft

holes on the can, first measure the center-

to-center distance between two of the holes

in the motor. On a piece of cardboard, draw

an equilateral triangle with sides measuring

this same distance and cut out a triangular

hole. Center this triangular hole over the can’s

original axle holes and use a Sharpie to mark

the three corners. These marks are where you’ll

drill holes; position them so that the body of the

motors will end up lying somewhat against the

bottom of the garbage can when mounted. Drill

holes for each of the bolts at the three marks.

Push the motor shafts through the axle holes

and secur ...