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Multi-Grain Burr - Assembly puzzle by Stewart Coffin (STC #275-A)
by asiegel
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## ## Multi-Grain Burr
### Assembly puzzle by Stewart Coffin (STC #275-A)
Assemble the four pieces into the unusual shape shown in the photo.
_Multi-Grain Burr_ is surprisingly difficult despite having only four pieces, due to the unusual shape of the assembly. It is a larger variant of Coffin's [Three-Piece Block](https://www.thingiverse.com/thing:3363882); if you're unfamiliar with this type of puzzle, I'd recommend starting with _Three-Piece Block_ instead.
UPDATED June 2020 with
### Assembly puzzle by Stewart Coffin (STC #275-A)
Assemble the four pieces into the unusual shape shown in the photo.
_Multi-Grain Burr_ is surprisingly difficult despite having only four pieces, due to the unusual shape of the assembly. It is a larger variant of Coffin's [Three-Piece Block](https://www.thingiverse.com/thing:3363882); if you're unfamiliar with this type of puzzle, I'd recommend starting with _Three-Piece Block_ instead.
UPDATED June 2020 with
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