How installing an inductive probe led to an X carriage redesign, a new hotend mount, and reduced Z-axis play. Fixing assembly mistakes that had gone unnoticed for nearly five years.
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Why I chose an inductive bed probe instead of BLTouch or 3DTouch for my Graber i3. Comparing cost, design, reliability, and compatibility with magnetic PEI build plates.
Read article →Why I chose TMC2209 instead of A4988, DRV8825, or TMC2208 for upgrading my Graber i3. A comparison of driver features, quiet operating modes, and whether UART is necessary on RAMPS 1.4.
Read article →Why I decided to replace the stepper motor drivers on my Graber i3 while keeping the RAMPS 1.4 board, and how switching to Klipper allowed me to continue upgrading the old printer without replacing its control electronics.
Read article →How I used the unused second extruder channel on RAMPS 1.4 to control the two Z-axis motors independently in Klipper, and why I decided to make this modification.
Read article →Why manual bed leveling on my Graber i3 failed to deliver the results I wanted, what led me to install a bed probe, and how repeatable measurements changed the calibration process in Klipper.
Read article →Why I moved away from Marlin while restoring my Graber i3, how I first ran Klipper on Raspberry Pi, and later moved it to an old Linux-powered TV box.
Read article →How my old Graber i3 nearly became a parts donor for a CoreXY after almost four years of sitting unused, but instead got a second chance and returned to printing.
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How I started building my first Graber i3 3D printer with a plywood frame in early 2021 — and how my DIY 3D printer project began.
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