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2-way 2020 extrusoin corner connector — image 1
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2-way 2020 extrusoin corner connector

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This is a 2-way corner connector that joins 2020 aluminum extrusion pieces while leaving the inner track unobstructed.

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Model information

Category
Other Ideas
License
Creative Commons — Attribution — Share Alike

I was looking for a way to make a frame using 2020 aluminum extrusoin.  I wanted to have the inside track corners to be open to accept a plexiglass sheet.  I searched for a  connector, but only found a 3-way corner connector, or a cube connector, so I decided to design a 2-way connector.   

Notes:

  1. The connection is designed to be snug to keep parts together.  I used a clamp to press joint together.
  2. Despite the snug fit, I found the single prong was still too loose, so I added the two holes in the single prong connector.  The holes are designed with a countersink to use with a M3x4 cap head screw.  

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