Civil Engineer Bookmark — 4 Color 3MF — U1 & A1 Projects

A slender multicolor bookmark for civil engineers, engineering students and bridge enthusiasts. The original geometric design uses a bridge crest and an alternating structural truss across the tapered body. ## Included files One generic four-color 3MF, one Snapmaker U1 project 3MF, one Bambu A1 project 3MF, and an English print guide are included. ## Color options Single color: assign all four regions in the included 3MF to the same PLA filament; no separate merged STL is included. Four color:…

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