Straight Shot 3D Printer Bear Upgrade Kit Built For Prusa i3 Mk3 Featuring Slick 2040 Aluminum Profiles, Rock Solid Stepper Motors, Ridiculously Smooth Heated Bed, Y Axis Carriage With Durable Belts And EU Power Cord Ready To Go

Complete bear upgrade kit set for prusa i3 mk3 printers
✔️ 2040 aluminum profiles, robust motors, dual belt drive system

This hardware bundle transforms entry level extrusion printers into rigid fabrication rigs. You slip this assembly onto your desktop setup to tighten tolerances, reduce ringing artifacts, and run longer print jobs without frame flex.

✅ Fits direct drive hotend setups and linear rail conversions
✅ Pre drilled 2040 extrusions simplify alignment
✅ Includes hardened steel pulleys and timing belts
✅ Equipped with american standard eu power cable
✅ Reinforced y carriage mounts heavier toolheads

💡 Why reinforce standard extrusion mounts for rapid prototype runs?
Reshaping the gantry geometry locks down wobble during aggressive cornering moves. This handy swap keeps step accuracy tight even when you push feed rates past normal limits. Yall will notice cleaner outlines and faster homing sequences. Here is how the parts change your workflow on the bench:
- Dual z axis couplers prevent tower divergence over tall print heights
- Greased linear guide blocks absorb vibration from rapid direction changes
- Sealed ball bearing spindles maintain zero play under sustained thermal stress