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Bag Clip Rex

by Tquacken Feb 27, 2018
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Thing Apps Enabled

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Mine just got glued together everywhere.
The support material jammed everything and I could not open the mouth of the tiny dino at all.
Alas the poor thing has to starve.
Any ideas?

There are two main culprits of this:

Support material inside the model

  • make sure your supports are set to "touching buildplate" so internal supports don't get generated

Printing too hot/overextruding

  • I suggest calibrating your filament diameter (or extrusion multiplier) such that two of these (https://www.thingiverse.com/thing:1037301) will slide together. That way over extrusion won't be a factor and you can then play with temperature a bit

Hope that helps your poor dino overcome his lockjaw!

3D Printer Calibration Piece
by JP1

Hello, great part ! The spring mechanism is really smart :)

I printed it in ABS, it's fragile on it's back. Why do you left so few material here ?

Good question: The back itself used to be the spring (not the straight piece), so that part was left thin to help with springing. I guess It could be thickened a little for stability's sake. Thanks for pointing that out!

mine came out looking great, but its super flimsy. not enough tension to hold a bag shut unless said bag is made of burlap

Yeah, that's the big downside of this model - 3D Printed parts have super different properties depending on how they're sliced and even what brand the filament is. If you want to try it again, you could try using 3 or 4 horizontal shells for your wall thickness. That makes it a lot stronger. The bigger versions are stronger, as well.

Tail didn't come out too great for me. Any pointers? I printed flat

Did you use support material? If not, that'd be my first suggestion. Otherwise, make sure your part cooling fan is on at full speed and has a fan duct that will direct the air directly on the very tip of your nozzle.

If you keep having problems, post a picture and I'll see what other suggestions I can come up with!

Hardware needed? Spring?

Nope! No hardware needed. It had a simple compliant mechanism inside to use the elastic properties of the plastic itself.