42 - Version39
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The Answer. Also, just having fun trying out a some 3D CAD and printing ideas. More versions on the way.
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The Answer.
Also, just having fun trying out a some 3D CAD and printing ideas. More versions on the way.
This one : 42 Twist
First, I have to admit I cheated a bit on this one. I cracked the top of one of the spirals when fitting the two pieces together and had to use a bit of glue. More info in the print instructions.
This print was mostly an exercise in 3D CAD design; it turned out to be a bit more complicated than I thought it would be, but I ended up teaching myself a few new tricks. The print was also interesting as a 3D print exercise, especially the use of supports.
OnShape 3D CAD files :
Print instructions
Print in PLA using the 3mf files provided.
Unfortunately this print requires a lot of support material. Initially I tried printing with more limited supports but got poor results. Possibly the spirals could be printed "sideways" with minimal supports, but I did not try this.
The support material increases the filament use and printing time, of course. It also takes a bit of time to remove (I used needle nose pliers and a razor knife).
The two spirals are designed to lock together when fully intertwined. As a result, it is a bit difficult to fit the two spirals together (and probably even harder to take them apart - which I did not try). If I were going to do this again, I would use a bit of sandpaper on the mating surfaces of the spirals, as well as the "square ends" where they lock together.
The overall design could use a bit of improvement, although is does work as is.