Modular Snap-Fit Saturn V
by RealAbsurdity, published
Uploaded an optimized version on 1/21/2013. Version 3 has improved wall thicknesses on the shells for two loop printing on almost every layer. The resulting build is more sturdy and efficent. The individual pieces are now avilable as well.
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Sorry my bad! That what happens when you don't have all the pieces, you can't see the big picture!
Sorry again for the trouble. Now that I have printed everything (I always fear trays, because when you have a problem, you have nothing), I understood how it is assembled and it fits!
Well done and thanks again for your work,
PS.: Does anyone know what colors go on this (I'm thinking on using scale models paint), but haven't found any painting instructions, just pictures of the rocket...
I have not had the problem you are having. There are two different holes with different spacing. The longer holes are for H clips and the shorter set are for the printed in place snap prongs. My guess is you might have a piece reversed.
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Version 3 is now online and it includes some improvements and optimizations. If you are a Replicator or Replicator2 user try slicing in MakerWare's Slice engine with .15mm layers and zero infill (not skeinforge). The latest prototype was sliced in this way and it took less than five minutes and the quality is comporable to a much slower Skinforge slice! I will post a more detailed MakerWare slice profile later.
Sliced in skeinforge it works best with the following settings in print-o-matic:
layer thickness: .15mm (or less)
Number of shells: 2 or 3 (This setting is very important to make the vertical prongs on the two middle sections strong enough to survive repeated snap-fitting)
feed speed: 80mm/s
travel speed: 150mm/s
fill rate: 0 (for shell version)
My actual slice profile is a little more complex but with print-o-matic those are the settings that will get you started.
WARNING! Due to the high detail of the original solid model (B-rep made in autodesk Inventor) the resulting .stl surface mesh is very complex. Slicing can take a while even on high-spec machines.
This shell version was designed to keep the material use to a minimum and works quite well but I am working on a solid version anyway. It might actually print faster at low rates of infill because there is less shell and perimeter to print even though they have been minimized in the shell version.
If you Saturn V comes out a little loose on the top and tail (like my last one did) I uploaded a quick fix so you can print a pair of shims that should tighten it up. They almost must be printed at .15 layers with the bottom layer at 100% thickness to work.
This model also replaces the tail and nose or hull sections of my Modular Snap-Fit Airship converting it into an Saturn V Airship! The included adaptder ring makes for a smooth transition between the airship and the S-IVb (top) section of the Saturn V. The same is true for the Trireme Hull!
This is a work in progress for an art series I am working on so for the moment I licensed it as no-derivatives but I will open it up soon after I finish a few more parts.
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