bolt box a simple to print but hard to solve 3d puzzle —

Founded bolt box a simple to print but hard to solve 3d puzzle models & stl files for printing
Puzzle Plane
Deemoss
Display Shelf
BuffySummers
Puzzle Cube
Dragonsnap Labs
Tolerance test
whitemousegary
PuzzleBear
NaoyukiKasai
Triangle pry tool
WhoIsNobel
Bolt lock v1
Stoneman
Simple iPad Stand  For Case
DaveTheYellowDart
Batman Logo Wall Plaque
stonedreality
Glue Spreader
Wooden-Rain
iPad Stand
tspeevack
Dalis Clock
microstrat
Money Clip
Fercsi