Willow Stickum Sets - connectors for puppetry, lantern-making and willow cane sculpture
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Small & economical connectors to make very strong T-joints between canes, with minimal protrusion
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- Creative Commons — Attribution — Noncommercial
A very niche solution but very useful for the small number of makers who will need it.
When making puppets, lantern-sculptures or props out of cane-and-tissue/scrim constuction here at InvisibleOctopus, sometimes we want a really strong joint where one cane butts up against another in a T-shape. But this hard to achieve because at the same time, you don't want a stub of the radial cane to stick out as a spike and disturb the outline of the sculpture.
These small connectors solve this problem. The radial cane is glued in with expanding polyurethane glue to the socket provided. The rim cane is attached with 2.5 to 3.8 mm cable ties in the normal fashion.
There are 5 models at different angles. These are labelled. They have been deliberately designed to print sitting on the base cut plane without needing any support at all. See the screenshot of the plater for the correct orientation. They have been designed to be printed this way to maximise strength , with layers running diagonally across the stress planes of the joint. If you print at a different orientation they will be weaker.
I print in Polymaker PLA Pro or PLA Max as it has a bit of give and is less brittle than normal PLA, and get a connector that is ridiculously strong, far stronger than the willow. Any of the ‘pro’ or ‘plus’ slightly flexible PLAs will probably work well. More brittle materials like normal PLA or carbon-fibre or PETG will probably be OK but have a risk of shattering if your contruction is abused.
Important: use 3 perimeters, 10% gyroid infill. Gyroid is important for the strength of the connection. If you cannot use gyroid increase the infill to 25% - there is not much infill so this will not add much to the cost. Do not use variable layer height as it is 50% slower, due to the embossed text. Use a brim if needed, but on a MK4 it is not necesssary.
On my MK4 it takes about an hour to print the set of five. Cost is less than 0.10 GBP per connector. If you find these useful please give it a star rating, and upload a photo of your print to make them more visible online. Enjoy!