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Dino-Clip Mechanical CAM Chip-Clip (PRINT-IN-PLACE)

Creation's quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

I am so totally impressed with Andrei's Bag Clip. It is one of the most clever designs I have ever printed. From the moment I took it off the printer, I wanted to completely understand how it worked and how Andrei designed it. I spent weeks building his design up in Solidworks, trying to understand the math involved in the CAM mechanism. Once I had his model rebuilt, I then started playing and having fun with tweaks and changes. You will notice the v3.04 on the inside of the lever; there were a LOT of versions.

In addition to the obvious change of giving the clip a dinosaur theme, I also:

  • Designed a Break-Away support tab (Easier to slice and remove supports after printing)
  • Increased the two post sizes to 8.5mm (Stronger clip is harder to break)
  • Added a chamfer to the base/top of the posts (Makes breaking parts loose easier after printing)
  • Added a completely different ‘teeth’ design (aesthetics and gripping the bag better)

** If this print is on Thingiverse, please let me know so I can make this a Remix - I could not find Andrei's clip here on Thingiverse.

3D printing settings

Printed in PLA / .20 layer / 20% infill


After printing, break off the support, and squeeze the entire print like you are closing a nutcracker.
The further you put the bag into the Dino's mouth, the harder it is to shut. If you have a really thick bag, don't put it all the way in. Finding the right jaw strength was one of the causes of many versions.
The best materials I've found to use are matte PLA's - My favorite is Joel's High Five Blue (pictured) from Proto-Pasta.

  • 3D file format: STL
  • 3D model size: X 75.8 × Y 75.9 × Z 18 mm
  • Publication date: 2021/04/24 at 01:08





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Cults copied this off of my Thingiverse page - but forgot the print details and tips - I just added them ;)

Do you have recommended print settings for this one? I know the original did.

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