caulk saver cap (cap open tubes of caulk)
thingiverse
The nozzle tip seal will securely enclose open tubes of adhesive caulk (tubes of 10 ounces or more). This includes a central stem to prevent adhesive from drying inside the tip and a side clamp to attach the cap to the push rod when not in use. Instructions Design notes: ABS is a better material choice for this than PLA. It can withstand high temperatures outside in the sun or on-vehicle applications and the central stem has a good chance of remaining intact. Do not attempt to print this design with PLA as the material for the center stem. PLA is too brittle, causing objects printed vertically to easily snap off when subjected to shear force. Print the version without the post instead. On my printer, the post performed better when printing at 0.1mm layer height compared to 0.2mm layer height.
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