My life hasn't quite been the same since as a student, I was able to access 3D printers. This was a fun quick project to blend 3D printed items with more traditional crafting materials. Using a 3D printer allows for small connectors with precise angles to be made. While an icosahedron would normally be a difficult shape to create, it was easily manageable with this technique.
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Step 1: Video!
Step 2: Printing
After designing using Autodesk's Fusion 360, connectors were printed using a Makerbot 5th Generation for the icosahedron and equilateral pyramid, while a Makerbot Replicator 2X was used for the cube. This was really based on wanting to utilize different machines to compare tolerances, and what was available at the time in the makerspace.
If I remember correctly, I printed these at about 15% infill, with 3 shells. I wanted to be able to Dremel out the insides of the connectors if necessary. It wasn't necessary after they were printed. The dowels fit just fine.
Go grab the files from Thingiverse!: http://www.thingiverse.com/thing:1159875
P.S. If you want to make one of these, but don't have access to a 3D printer, 3D Hubs can help! They connect you to someone locally who has a printer and is willing to run prints for you. Use coupon code MKSHWHBVCV to get 15% off your order!
Step 3: Assembly
Quarter-inch dowel rods will need to be cut to equal lengths. You can choose whatever length you wish depending on the desired size of the object. Depending on which shape you are making will determine the number of dowels you need to cut.
For an icosahedron, you will need 30 pieces, for a cube you will need 12, and for the equilateral pyramid you will need 6.
Once cut, the pieces slide in to the slots on the connectors to create the shapes.
Step 4: Conclusion
Thank you for reading! Leave a comment letting me know what you think, and any ideas to use this technique to make something awesome, or create new shapes!
Horatio_12 made it!