These are corner clips for using 4mm thick glass with Tevo Tarantula. They may work on other printers with aluminium beds as well.
They fix the glass in the way of X and Y axis but let you easilly take it off for cleaning.
Print it from something "heat resistant" like PETG. from PLA they come loose really quick.
It can get slightly loose even with petg. In that case, cut the wedge shaped end of zip tie and use it as a spacer between glass and clip.
I am using previous version (see photo) - 3 regular ones and one bigger with clip for bed wires underneath.
corner_glass_clip.stl | 324.6KB | |
corner_glass_clip_wireclip.stl | 418.0KB |