Ultrasonic Collision Script icon Ultrasonic Collision Script — Ultrasonic sensor triggers custom script on object detection; configurable interval & min distance, with optional forward-only trigger for navigation. Try it →

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#2  

Shapeways.com does 3d prints in steel , bronze , gold , silver and even copper I believe.

#3  

Cool! Maybe the push towards metal 3d printing will bring the costs down on PLA 3d printers:)

#4  

Lol honestly keeping the cost the same and raising the resolution and reliability of the consumer level machines.maaaaaybe one day I will buy a solidoodle 2