Drill press V2

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original design V1 link :https://www.thingiverse.com/thing:7345549V2 introduces several structural and assembly changes over the original design.Handle added — improves operator control and reduces vibration transfer during drillingDual linkage arm system — a second parallel arm was introduced to increase lateral rigidity and minimize play in the Z-axis travelNut groove repositioned — corrected the slot geometry on the Dremel upper holder to ensure proper retention and eliminate axial floatShaft-free fixation — linkage arm attachment was redesigned from a groove-and-retaining-ring system to standard bolt connections, removing the dependency on a grooving machine or custom shaft fabricationTolerance note — verify clearances against your own printer calibration and filament characteristics before printing. Shrinkage varies — what fits in PETG may bind in PLAFor hardware requirements and component specifications, refer to the original publication.new hardare threaded rod M8 x1001x M8x122x M4x201x M4x10botls :2x M8