Wood Dowel Connectors
I was thinking of ways to build structures on a large scale and needed a way to prototype ideas. I'm a huge fan of K'nex and while the ones I have are useful, I simply don't have enough. I knew I could make as many as I needed with my 3D printer so I set out making a design.
I used 1/4 inch diameter wood dowels for rods and designed some 3D printable connectors. The dowels are very easy to get and after a few iterations of design, I had a set of connectors printing in just a few hours.
I want to see how I can scale these designs to be used with larger rods. I'm thinking I could use PVC pipes as rods or maybe even bamboo.