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Build List

GridBot Two: Powerfully Simple

Feb 9, 2020
Category
H-Bot and Core XY
Build Progress
Build Complete!

Core XY, sensor-less homing, integrated camera, touch screen, pi, 32-bit controller, fast, quiet, beautiful prints. 300 x 300 x any build volume. Just change out the Z lead screws, rods, and four pillars. Total BOM around $700 USD. Build time around 4 hours.

Laser Displacement Golf Ball Scanner

Jul 26, 2019
Category
Turntable 3D Scanner
Build Progress
Build Complete!

Getting an accurate scan of a golf ball can be difficult with general-purpose 3D scanners. This purpose-built golf ball scanner uses a very accurate Keyence LK-081 laser displacement sensor with an Open Builds linear actuator for the vertical axis and a Sherline CNC rotary table for the turntable. Scan detail is determined by the sample step size and can be set arbitrarily based on desired scan time.

Reference sensor for CNC Tools

Nov 1, 2016
Category
CNC ROUTER BUILDS
Build Progress
Build Complete!

For the x and y Axis you set the zero point with a limit switch, but how can you get the zero position for the z Axis? You have different thickness of material to mill and when you change the tool, you have also a other z Axis positon. With the Sensor, you can define the zero position of the piece automaticly.

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