Retractable Knife Fidget, Print in Place, Sliding Blade - STL File for 3D Printing

A unique 3D printable creation — this Retractable Knife Fidget, Print in Place, Sliding Blade Mechanism, Safe Trainer. Download and print immediately — tested on 8+ FDM printers. WHAT'S INCLUDED: - STL File — FDM optimized, ready to slice - 3MF File — Pre-configured print settings - OBJ File — Universal format for editing - PLY File — MeshLab compatible - GLB File — Web/AR/game engines - Detailed print guide with tested settings SPECIFICATIONS: - Dimensions: 102.0 x 20.0 x 12.5 mm - Estimated Pr