Making the Impossible Joint / Dylan Iwakuni

Making Shihou Kama Tsugi (four-way goose neck joint). When you first look at it, it can be confusing as this joinery is on all four sides, without a way to be taken apart. But this joinery actually slides diagonally, making this illusion possible. The wood is Walnut and Birch — via Kottke


How $750 Chanel Ballet Flats Are Professionally Restored / Insider

Rio Jongsae Kim is the owner of Kim’s Shoe and Bag Repair. He shows us how to restore a pair of Chanel ballet flats that retail for about $750. This includes replacing the soles and heel plates, cleaning the suede, dyeing the leather, and waterproofing the shoes — via YouTube

Craft, History

Plumbata: Roman war / Tod’s Workshop

Plumbata are substantial war darts that have their origins in Ancient Greece and were favoured by late Empire Romans. They have rather nasty barbed head, a lead weight for inertia and were thrown as fighting lines started to close. Their nickname amongst the Romans was Little barbs of Mars. Nasty as they look, how do you throw them and what do they do when they get there? — via Youtube


A machine to make a sandwich / Joseph’s Machines

It’s really five mini machines. One puts down bread, the next puts on peanut butter, then a machine for jelly and so on. The last machine feeds it to me bite by bite! Spent almost four months on this machine — via Youtube


Aluminum Hand Update / Ian Davis

After about four months of daily use, and a pile of trial and error trying to add the electronics, Ian Davis has come to the conclusion that it’s going to be a better/faster journey starting from ground zero. Again — via Youtube


Home Made Ink From Nature: Perfect Purples

This is by no means an exhaustive Instructable to making ink, but I think what it has value in, is the angle for kids. I’ve selected plants which are edible, and this takes out a lot of the inherent risk of dye making with chemicals and compounds you absolutely wouldn’t want in your household saucepan! Purple is also one of the best colours to start with, as it can be easily derived from safe things like grape skins (dark) to onion skins (dull), to sloe berries (pinky-puple), or more vibrant beetroot or red cabbage colours – which will change with pH — via Instructables)