Left or right? The circular saw blade on most corded saws is on the right as you push the saw forward; on many cordless saws, it’s on the left. Either way is OK with us on a cordless circular ...

[Lance Abernethy] has built both a working cordless drill, and circular saw using nothing more than a 3D printer, what seems to be a pager-type vibration motor, a tactile switch and a coin cell ...