The Very Flexy Caterpillar

Flexy Caterpillar! 
🐛

Really fun to flex and bend (gently!). Great as a fidget or just as a desk toy.
I posted two profiles. The green one (0.2mm bottom) is more flexible, but tends to be more fragile. The red one (0.4mm bottom) trades some flexibility for some toughness.
 

I had very good results printing this in 95A TPU,  BambuLab Matte PLA or BambuLab PETG. 

Generic PLA (I tried Sunlu) seemed to be be too stiff and had the tendency to break.

For what it's worth, my personal favorite is TPU because it's flexible and very resilient.

NOTE: This design is meant to be played with gently. It will not survive most kids, or withstand sharp bending.

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Click here to see my other models 

 

General 3d Printing Tips

• Make sure your printing plate is clean! Oils from your skin can cause adhesion issues for your prints. Regularly wash your print plate with a detergent like Dawn, and avoid touching the surface when removing prints from the bed.
• If it's an option on your printer, always level the bed before each print. If you have to perform this manually, do so after every few prints. It takes a bit of time and patience, but it's a fair trade for reliable results.
• Ensure bed and nozzle temperatures are within the expected range for the material you're printing. Temperatures that are too high or too low can negatively affect the print, causing warping, malformed layers, or adhesion issues.
• Reduce your printing speed. Slower speeds are especially important for overhangs, as they give the material more time to cool as it's deposited.