Jigs & fixtures
Guides and jigs that make a joint repeatable.
Biscuit joinerA power tool that cuts arc-shaped slots to take glued beech biscuits, aligning and strengthening a joint between two boards.
Dowelling jigA guide used to position matching holes for round dowel pins in the pieces being joined.
Dovetail jigA guide clamped to a router that cuts interlocking dovetail pins and sockets without the joint being marked and cut by hand.