Nẹp tủ lạnh kẹp giấy

Onshape: https://cad.onshape.com/documents/c94d32332888e3b62911f25f/w/a69068f8e1159cebd8a3ebcd/e/d0223f7f84eb5764349b2348?renderMode=0&uiState=64f79ab75476b8172adbeb53

fridge magnet to hold papers e.g. calendar, invitations, pictures, cards etc.

1. magnet sticks into back
2. m3 heat set insert into base
3. m3 bolt glued into cap