6s 26650 Li-Ion battery pack frame

this is a light frame to hold 6 26650 batteries (I actually use only 5 (21V) for my TS-100 soldering iron)
The purpose is to have a thin-wall (0.8mm) frame arrange batteries into pack but to make printing a frame fast easy. After soldering I intend to put it into some "battery box" together with the battery protection board.

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