3 Technical Profession Bookmarks — Developer, Electronics Engineer & Architect — 4 Color 3MF

A coordinated collection of slim, profession-themed four-color bookmarks. ## Included files The named bookmark designs are included, each as a generic four-color 3MF plus U1 and A1 project variants. An English print guide is 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: use the included generic/U1/A1 3MF files and map all four named regions to four compatible PLA slots. Re-slice and…

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