I loved the concept behind Luke's 3D's original model but it didn't fit my daughter's toothpaste. I also found the model quite hard to assemble as the tolerances were tight and there was little to no horizontal expansion (elephant's foot) compensation built in.
So while I was lengthening the model I decided to make the following improvements:
NOTE: You need to remove the support material from the bottom of the main tube in order for the ratchet mechanism to work correctly.
Warning: If you print a third party profile you may not be getting the latest version or the highest quality print.
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