toothpaste tube squeezer (Remix) / Toothpaste Extruder (Paint Extruder) / Toothpaste Squeezing Tool

This is a remix project from mechanical-tube-squeezer. This squeezer is convenient to print and easy to assemble,and it's currently the best squeezing effect I've used among all the squeezers I've tried.The original design style and working results are satisfactory enough, but when I take it out with me, perhaps due to my printer's tolerance reasons, the bolt tends to come loose easily here,just like this:Although using glue can simply and effortlessly solve this problem, I decided to give it a reversible fixing method:I not only redesigned the cogs but also provided another shape for it.By doing so, it becomes more securely fixed. The original author used ASA material to ensure strength. I used PLA material, which is working well currently, possibly due to my soft toothpaste and pigment tube reasons.Yes, for me, aside from toothpaste, it's mostly used for squeezing out paint. Please note that for the parts within the yellow area, you should increase the infill dens