Thingiverse
Davinci Catapult Arm UPGRADE
by JustMarkIRL
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This arm is designed to fit the Davinci Catapult design published by BriBro12: https://www.thingiverse.com/thing:4067668#google_vignette
Enlarged scoop based on upgrades made by Planesman: https://www.thingiverse.com/thing:5152688
*Added a flat face along the bottom of the arm so it will stick better to the print bed, leaving the end geometry the same where it attaches to main pivot axle.
*Added a larger scoop and rounded neck
I printed in PETG at 40% infill, 0.15mm layers, 0.4mm nozzle, on a textured sheet, no supports, no rafts, and no glue if printing in PETG.
Enlarged scoop based on upgrades made by Planesman: https://www.thingiverse.com/thing:5152688
*Added a flat face along the bottom of the arm so it will stick better to the print bed, leaving the end geometry the same where it attaches to main pivot axle.
*Added a larger scoop and rounded neck
I printed in PETG at 40% infill, 0.15mm layers, 0.4mm nozzle, on a textured sheet, no supports, no rafts, and no glue if printing in PETG.
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