Full upgrade for LittleRP 3D printer

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After few years from the successfull low-cost LittleRP 3d Printer, Brad Hill decided to upgrade his resin printer.

The new model LittleRP2 introduces a configurable vat, an extended height option, additional controller shield options, added projector compatibility, and more new features and refinements.

LittleRP2 is licensed under the Creative Commons BY-SA 3.0 or greater license, allowing users to share and adapt the hardware and software, even for commercial purposes. Those looking to build and modify their own LittleRP2 can get stuck into its Github repository here.

New features in the LittleRP2 resin 3D printer:

Flexibility

• Wider foodprint to allow for additional vat options
• Self-sourceable configurable vat
• Extended height option
• Convertable to larger build area
• Additional controller shield options
• Additional supported projectors
• MGN12 rail option
• TR8x2 Leadscrew option
• Rear shutter access added
• Common vat nut-trap holddowns

Refinement

• Quiet operation (using TMC2100 drivers and Astrosyn dampner)
• Hinged hood
• Bent non-glued hood option
• Solid build plate
• Z-limit switch
• Stepper driven shutter / limit switch option
• Sockethead adjustment for build plate leveling
• Increased rigidity of top panel attachment

Precision

• 25 Micron X/Y options for Acer X152H and Optoma HD37 projectors
• Astrosyn dampner decouples leadscrew non-eccentricity

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