Open Source Turtle Robot (OSTR) By Ken Olsen (The Maker's Box) · Example build · 8 views · 0 remixes A 3D-printed pen-plotting robot with two geared steppers, made for two-day high-school engineering workshops 0SaveRemixCopy link Estimated parts costNo price seen yetDifficultyEasyParts3 parts · 12 pcs Start the assembly guide →