Watch how SpaceX deployed a Starlink batch. Credit: Space.com | footage courtesy: SpaceX | edited by Steve Spaleta ...

As [Richard Sewell] explains, a heat-staked joint is nothing more than the classic mortise-and-tenon made from plastic where the tenon stands proud of the joint face so it can be softened with heat.

But new tools bring new challenges and new opportunities ... It’s a variation on a wedged mortise and tenon joint, which strengthens the standard version of the joint by using a wedge to expand ...