caulk saver cap (cap open tubes of caulk)
thingiverse
The cap will seal open tubes of caulk (10+ oz tubes and higher). It includes a center post to keep the caulk from drying inside the tip as well as a side clip to attach the cap to the push rod when not in use. Instructions Build notes: ABS is the better choice for this over PLA. It will withstand hot outdoor or in-vehicle temperatures and the center post has a chance of staying intact :-) Do not try to print this in PLA with the center post. PLA is too brittle and vertically printed objects tend to snap off with very little shear force. Print the version without the post instead. On my printer, the post was stronger when printed with 0.1mm layers vs 0.2mm.
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