Crabby Skullduggery

I have been having a devil of a time trying to design and build an animated head for my animated crab chassis. My CAD software refused to make stl files of some of the parts, my slicer refused to properly slice some of the parts into a 3D print file, my big printer couldn't get a bad roll of PLA to print properly - it just wouldn't stick to itself. I printed off 14 parts successfully with white PLA but the big orange prints just kept failing.

With Halloween fast approaching, I decided to change to a different design....

Here is a recap of the crab chassis build from the Crab Nebula Creature:

 

And here is the new animated head ....

 

Now I don't need to carve a new pumpkin for it every year.

dougw
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  • in reply to jw0752

    It was a horrific amount of work to try and get 2 big parts printed - even the best of the failed prints were just not salvageable. But it wasn't all wasted effort, I built a nice cover for the printer to keep the air around the printer at a warm constant temperature, and the build method I employed can be used for other applications. It also makes a great dust cover. I'll probably blog about it at some point. Even though it isn't strictly electronics, it can be used to package electronic projects.

  • in reply to dougw

    Hi Doug,

     

    I am curious... Did you have the print problem with your Anycubic  or the new 3D printer?  I am about to start a project which will require the largest prints I have made to date with the Anycubic,.

     

    Frank

  • in reply to fmilburn

    The claw sections were maximum size on some dimensions of the Anycubic printer, and it worked well for them, as it does for all prints.

    The problem parts were attempted with a Tivo Tornado. It is a bigger printer and it is tricky to get even bed heating, but in this case I think the main issues were bad PLA and bad slicing. I didn't try a finer layer height (it was a coarse setting) because print times would be excessive.

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  • Author Author: dougw
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