Zak! Designs 640z insulated water bottle latch 3D model preview
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About this 3D model

Replacement lid latch for the Zak! Designs 64oz insulated water bottles. 2/13/25: Updated the design to add a couple reinforcements, some very minor adjustments, and built in supports that can be easily separated with an exacto knife. I recommend bumping the number of perimeters way up (I did 15) so that there was solid infill in the part of the latch that catches the lid.