piggy bank plug
By Frank (Ikki)
Free
It's free to download
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Technical
printed with PLA but other similar materials should work as well.
The print only needs supports where touching the buildplate.
print with 0.2mm layer height.
When printed wiggle the sliding part to get it loose.
Than use a screwdriver to break it loose
If you want a easier movement use WD40 or a other oil.
Free